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Torque

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922: 2159: 1754: 1175: 5174: 2154:{\displaystyle {\boldsymbol {\tau }}_{\mathrm {net} }=I_{1}{\dot {\omega _{1}}}{\hat {\boldsymbol {e_{1}}}}+I_{2}{\dot {\omega _{2}}}{\hat {\boldsymbol {e_{2}}}}+I_{3}{\dot {\omega _{3}}}{\hat {\boldsymbol {e_{3}}}}+I_{1}\omega _{1}{\frac {d{\hat {\boldsymbol {e_{1}}}}}{dt}}+I_{2}\omega _{2}{\frac {d{\hat {\boldsymbol {e_{2}}}}}{dt}}+I_{3}\omega _{3}{\frac {d{\hat {\boldsymbol {e_{3}}}}}{dt}}=I{\boldsymbol {\dot {\omega }}}+{\boldsymbol {\omega }}\times (I{\boldsymbol {\omega }})} 935: 5370: 4929: 5007: 5650: 5241: 4784: 2502: 5169:{\displaystyle {\begin{aligned}{\text{power}}&={\text{torque}}\cdot 2\pi \cdot {\text{rotational speed}}\cdot {\frac {{\text{ft}}{\cdot }{\text{lbf}}}{\text{min}}}\cdot {\frac {\text{horsepower}}{33,000\cdot {\frac {{\text{ft}}\cdot {\text{lbf}}}{\text{min}}}}}\\&\approx {\frac {{\text{torque}}\cdot {\text{RPM}}}{5,252}}\end{aligned}}} 3809: 6201:, The International System of Units – 9th edition – Text in English Section 2.3.4: "For example, the quantity torque is the cross product of a position vector and a force vector. The SI unit is newton-metre. Even though torque has the same dimension as energy (SI unit joule), the joule is never used for expressing torque." 3640: 5365:
For example, if a person places a force of 10 N at the terminal end of a wrench that is 0.5 m long (or a force of 10 N acting 0.5 m from the twist point of a wrench of any length), the torque will be 5 N⋅m – assuming that the person moves the wrench by applying force in
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If torque is in newton-metres and rotational speed in revolutions per second, the above equation gives power in newton-metres per second or watts. If Imperial units are used, and if torque is in pounds-force feet and rotational speed in revolutions per minute, the above equation gives power in foot
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Algebraically, the equation may be rearranged to compute torque for a given angular speed and power output. The power injected by the torque depends only on the instantaneous angular speed – not on whether the angular speed increases, decreases, or remains constant while the torque is being applied
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This is a general proof for point particles, but it can be generalized to a system of point particles by applying the above proof to each of the point particles and then summing over all the point particles. Similarly, the proof can be generalized to a continuous mass by applying the above proof to
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have dropped out of the equation. However, angular speed must be in radians per unit of time, by the assumed direct relationship between linear speed and angular speed at the beginning of the derivation. If the rotational speed is measured in revolutions per unit of time, the linear speed and
4011: 4924:{\displaystyle {\begin{aligned}{\text{power}}&={\frac {{\text{force}}\cdot {\text{linear distance}}}{\text{time}}}\\&={\frac {\left({\dfrac {\text{torque}}{r}}\right)\cdot (r\cdot {\text{angular speed}}\cdot t)}{t}}\\&={\text{torque}}\cdot {\text{angular speed}}.\end{aligned}}} 2387: 4576: 2629: 4744: 5640: 3719: 2248: 3712: 3563: 1386: 1046:. Just as a linear force is a push or a pull applied to a body, a torque can be thought of as a twist applied to an object with respect to a chosen point; for example, driving a screw uses torque, which is applied by the screwdriver rotating around its 5705:
tend to produce maximum torque close to zero rpm, with the torque diminishing as rotational speed rises (due to increasing friction and other constraints). Reciprocating steam-engines and electric motors can start heavy loads from zero rpm without a
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When the net force on the system is zero, the torque measured from any point in space is the same. For example, the torque on a current-carrying loop in a uniform magnetic field is the same regardless of the point of reference. If the net force
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mentioned above. The problem with this definition is that it does not give the direction of the torque but only the magnitude, and hence it is difficult to use in three-dimensional cases. If the force is perpendicular to the displacement vector
4020: 2692: 3483: 3897: 4997: 3573: 2874: 1649: 5408:, not only must the sum of the forces be zero, but also the sum of the torques (moments) about any point. For a two-dimensional situation with horizontal and vertical forces, the sum of the forces requirement is two equations: 3355: 2998: 3875: 4425: 2559: 4592: 2322: 3178: 5361: 4771:
of rotation is the product of the radius with the angle covered. That is: linear distance = radius × angular distance. And by definition, linear distance = linear speed × time = radius × angular speed × time.
5557: 4789: 208: 4220:(denoted as in-lb). Practitioners depend on context and the hyphen in the abbreviation to know that these refer to torque and not to energy or moment of mass (as the symbolism ft-lb would properly imply). 2285: 5226: 3107: 2497:{\displaystyle {\frac {\mathrm {d} \mathbf {L} }{\mathrm {d} t}}=\mathbf {r} \times {\frac {\mathrm {d} \mathbf {p} }{\mathrm {d} t}}+{\frac {\mathrm {d} \mathbf {r} }{\mathrm {d} t}}\times \mathbf {p} .} 5296: 2368: 5012: 1129:", which suggest more complex ideas. The single notion of a twist applied to turn a shaft is better than the more complex notion of applying a linear force (or a pair of forces) with a certain leverage. 2170: 2254:
for point particles, and is valid for any type of trajectory. In some simple cases like a rotating disc, where only the moment of inertia on rotating axis is, the rotational Newton's second law can be
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is not universally recognized but is commonly used. There is not a universally accepted lexicon to indicate the successive derivatives of rotatum, even if sometimes various proposals have been made.
3490: 1697: 1311: 3804:{\displaystyle {\boldsymbol {\tau }}\cdot \mathrm {d} {\boldsymbol {\theta }}=\left|{\boldsymbol {\tau }}\right|\left|\mathrm {d} {\boldsymbol {\theta }}\right|\cos 0=\tau \,\mathrm {d} \theta } 3411: 5313:, the moment arm will be equal to the distance to the centre, and torque will be a maximum for the given force. The equation for the magnitude of a torque, arising from a perpendicular force: 1133:
Today, torque is referred to using different vocabulary depending on geographical location and field of study. This article follows the definition used in US physics in its usage of the word
4302: 4293: 1282:: if the fingers of the right hand are curled from the direction of the lever arm to the direction of the force, then the thumb points in the direction of the torque. It follows that the 5799:
Torque can be multiplied via three methods: by locating the fulcrum such that the length of a lever is increased; by using a longer lever; or by the use of a speed-reducing gearset or
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direction is determined by the right-hand rule. Therefore any force directed parallel to the particle's position vector does not produce a torque. The magnitude of torque applied to a
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By the definition of torque: torque = radius × force. We can rearrange this to determine force = torque ÷ radius. These two values can be substituted into the definition of
1603: 5465: 3433: 2675: 2653: 1489: 1457: 6998: 2552: 2530: 3290: 4201:. This means that the dimensional equivalence of the newton-metre and the joule may be applied in the former but not in the latter case. This problem is addressed in 3642:, but as per the definition of torque, and since the parameter of integration has been changed from linear displacement to angular displacement, the equation becomes 1568: 1522: 4748:
The constant below (in foot-pounds per minute) changes with the definition of the horsepower; for example, using metric horsepower, it becomes approximately 32,550.
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connecting the point about which the torque is being measured to the point of force application, and the angle between the force and lever arm vectors. In symbols:
101: 3816: 3635:{\displaystyle \mathbf {F} \cdot \mathrm {d} {\boldsymbol {\theta }}\times \mathbf {r} =\mathbf {r} \times \mathbf {F} \cdot \mathrm {d} {\boldsymbol {\theta }}} 3231:(this is equivalent to the linear case where the power injected by a force depends only on the instantaneous speed – not on the resulting acceleration, if any). 3257: 6390: 7088: 2825: 4131:{\displaystyle \mathbf {r} _{1}\times \mathbf {F} _{1}+\mathbf {r} _{2}\times \mathbf {F} _{2}+\ldots +\mathbf {r} _{N}\times \mathbf {F} _{N}=\mathbf {0} .} 3144: 5318: 2782:{\displaystyle {\frac {\mathrm {d} \mathbf {L} }{\mathrm {d} t}}=\mathbf {r} \times \mathbf {F} _{\mathrm {net} }={\boldsymbol {\tau }}_{\mathrm {net} }.} 2920:. Similarly, if torque is allowed to act through an angular displacement, it is doing work. Mathematically, for rotation about a fixed axis through the 5002:
pounds-force per minute. The horsepower form of the equation is then derived by applying the conversion factor 33,000 ft⋅lbf/min per horsepower:
4006:{\displaystyle \tau =\mathbf {r} _{1}\times \mathbf {F} _{1}+\mathbf {r} _{2}\times \mathbf {F} _{2}+\ldots +\mathbf {r} _{N}\times \mathbf {F} _{N}.} 6358: 6218: 5730: 3892:
of the same name) states that the resultant torques due to several forces applied to about a point is equal to the sum of the contributing torques:
2257: 3052: 5253: 2335: 1258:) is its torque. Therefore, torque is defined as the product of the magnitude of the perpendicular component of the force and the distance of the 6277: 966: 5749:). The input power provided by the cyclist is equal to the product of angular speed (i.e. the number of pedal revolutions per minute times 2 2290: 1666: 5979: 4202: 555: 3716:
If the torque and the angular displacement are in the same direction, then the scalar product reduces to a product of magnitudes; i.e.,
6383: 674: 158: 5181: 4571:{\displaystyle P_{\rm {W}}={\frac {\tau _{\rm {N{\cdot }m}}\cdot 2\pi _{\rm {rad/rev}}\cdot \nu _{\rm {rev/min}}}{\rm {60~s/min}}}} 647: 6047: 4257: 6002: 2624:{\displaystyle {\frac {\mathrm {d} \mathbf {L} }{\mathrm {d} t}}=\mathbf {r} \times \mathbf {F} +\mathbf {v} \times \mathbf {p} } 4739:{\displaystyle P_{\rm {hp}}={\frac {\tau _{\rm {lbf{\cdot }ft}}\cdot 2\pi _{\rm {rad/rev}}\cdot \nu _{\rm {rev/min}}}{33,000}}.} 4587:(mechanical) for power, foot-pounds (lbf⋅ft) for torque and rpm for rotational speed. This results in the formula changing to: 232: 6194: 6376: 6323: 6301: 4015:
From this it follows that the torques resulting from N number of forces acting around a pivot on an object are balanced when
5635:{\displaystyle {\boldsymbol {\tau }}_{2}={\boldsymbol {\tau }}_{1}+(\mathbf {r} _{2}-\mathbf {r} _{1})\times \mathbf {F} } 4232:(unit: revolution per minute or second) is used in place of angular speed (unit: radian per second), we must multiply by 2 1121:(around an axis). It is better to use a term which treats this action as a single definite entity than to use terms like " 3389: 629: 4189:, which is the unit of energy, the latter can never used for torque. In the case of torque, the unit is assigned to a 6175: 6125: 6092: 5902: 3885: 959: 2677:
is zero because velocity and momentum are parallel, so the second term vanishes. Therefore, torque on a particle is
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from the fulcrum, for example, exerts the same torque as a force of one newton applied six metres from the fulcrum.
7124: 7099: 7060: 5823: 2243:{\displaystyle {d{\boldsymbol {\hat {e_{i}}}} \over dt}={\boldsymbol {\omega }}\times {\boldsymbol {\hat {e_{i}}}}} 921: 5248:
A very useful special case, often given as the definition of torque in fields other than physics, is as follows:
3707:{\displaystyle W=\int _{\theta _{1}}^{\theta _{2}}{\boldsymbol {\tau }}\cdot \mathrm {d} {\boldsymbol {\theta }}} 295: 1463:(a vector from the point about which the torque is being measured to the point where the force is applied), and 7395: 6350: 6282:
Demonstration that, as in most US industrial settings, the torque ranges are given in ft-lb rather than lbf-ft.
5470: 4212:(lbf-ft), or, for small values, the pound inch (lbf-in). In the US, torque is most commonly referred to as the 3558:{\displaystyle W=\int _{s_{1}}^{s_{2}}\mathbf {F} \cdot \mathrm {d} {\boldsymbol {\theta }}\times \mathbf {r} } 550: 290: 5785:
of the road wheels is decreased while the torque is increased, product of which (i.e. power) does not change.
3362: 3262: 1381:{\displaystyle {\boldsymbol {\tau }}=\mathbf {r} \times \mathbf {F} \implies \tau =rF_{\perp }=rF\sin \theta } 6402: 5769:, which in turn conveys the received power to the road as the output power of the bicycle. Depending on the 1396: 1010: 952: 939: 700: 623: 545: 388: 6141: 6355: 6211: 619: 420: 398: 5762: 4411:{\displaystyle P_{\rm {W}}=\tau _{\rm {N{\cdot }m}}\cdot 2\pi _{\rm {rad/rev}}\cdot \nu _{\rm {rev/s}}} 839: 728: 654: 514: 447: 151: 5528: 5499: 7410: 7031: 6836: 6690: 6142:"Survey of Human–Robot Collaboration in Industrial Settings: Awareness, Intelligence, and Compliance" 3029: 593: 4228:
A conversion factor may be necessary when using different units of power or torque. For example, if
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of a force from the point around which it is being determined. In three dimensions, the torque is a
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output of an engine is expressed as its torque multiplied by the angular speed of the drive shaft.
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The construction of the "moment arm" is shown in the figure to the right, along with the vectors
3142: 3050: 2932: 819: 583: 20: 6974: 6874: 6019: 1153: 859: 5833: 5658: 5433: 3478:{\displaystyle \mathrm {d} \mathbf {s} =\mathrm {d} {\boldsymbol {\theta }}\times \mathbf {r} } 2909: 2686: 2251: 1141: 864: 681: 6167: 5976: 2535: 2513: 6949: 6819: 6557: 6242:
Page, Chester H. (1979). "Rebuttal to de Boer's 'Group properties of quantities and units'".
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pair. By using a larger rear gear, or by switching to a lower gear in multi-speed bicycles,
3206: 1163: 7271: 7196: 6824: 6596: 6251: 5717:: Bicycles are typically composed of two road wheels, front and rear gears (referred to as 4992:{\displaystyle {\text{power}}={\text{torque}}\cdot 2\pi \cdot {\text{rotational speed}}.\,} 4182: 2506:
This result can easily be proven by splitting the vectors into components and applying the
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in a system which has rotation constrained to only one plane (forces and moments due to
6255: 5741:, the person who rides the bicycle, provides the input power by turning pedals, thereby 2869:{\displaystyle \mathbf {P} ={\frac {\mathrm {d} {\boldsymbol {\tau }}}{\mathrm {d} t}},} 2685:
of its angular momentum with respect to time. If multiple forces are applied, according
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Physics for Scientists and Engineers: Mechanics, Oscillations and Waves, Thermodynamics
6043: 5858: 5405: 4190: 3242: 1644:{\displaystyle {\boldsymbol {\tau }}={\frac {\mathrm {d} \mathbf {L} }{\mathrm {d} t}}} 1122: 1067: 799: 540: 415: 383: 343: 5999: 7400: 7021: 6939: 6775: 6534: 6333: 6297: 6171: 6160: 6121: 6098: 6088: 5898: 5794: 5782: 5742: 3117: 3037: 2793: 1738: 809: 766: 723: 718: 659: 435: 425: 318: 6191: 7108: 7078: 7044: 6763: 6719: 6674: 6259: 5848: 5813: 5726: 5693:
for a small car). One can measure the varying torque output over that range with a
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is given by integrating the force with respect to an elemental linear displacement
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if the bicycle's transmission system allows multiple gear ratios to be used (i.e.
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Torque curve of a motorcycle ("BMW K 1200 R 2005"). The horizontal axis shows the
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An article showing how power, torque, and gearing affect a vehicle's performance.
6327: 6198: 6006: 5983: 5828: 5678: 4776: 4168: 3350:{\displaystyle W=\int _{s_{1}}^{s_{2}}\mathbf {F} \cdot \mathrm {d} \mathbf {s} } 3131: 2917: 2375: 1545: 1460: 1278:
and the force vector. The direction of the torque can be determined by using the
1267: 899: 844: 794: 789: 708: 52: 7116: 7052: 1502:
is the amount of force directed perpendicularly to the position of the particle,
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A force applied perpendicularly to a lever multiplied by its distance from the
1030: 926: 834: 735: 452: 4205:, which treats the radian as a base unit rather than as a dimensionless unit. 2993:{\displaystyle W=\int _{\theta _{1}}^{\theta _{2}}\tau \ \mathrm {d} \theta ,} 1174: 7384: 7171: 7039: 6753: 6102: 5868: 5863: 5746: 5734: 5722: 4768: 3870:{\displaystyle W=\int _{\theta _{1}}^{\theta _{2}}\tau \,\mathrm {d} \theta } 3125: 1529: 1525: 1271: 1051: 814: 641: 130: 7246: 7132: 7068: 6793: 6576: 6487: 5698: 5666: 4177: 3239:
The work done by a variable force acting over a finite linear displacement
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In practice, the relationship between power and torque can be observed in
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vectors and defines the plane in which the two vectors lie. The resulting
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and appeared in print in April, 1884. Usage is attested the same year by
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per hour for power) would require a different custom conversion factor.
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is the position vector from the origin. The time-derivative of this is:
5770: 5662: 4584: 1299: 1169: 992: 664: 338: 2317:{\displaystyle {\boldsymbol {\alpha }}={\dot {\boldsymbol {\omega }}}} 6707: 6634: 6622: 5718: 3173:{\displaystyle P={\boldsymbol {\tau }}\cdot {\boldsymbol {\omega }},} 1594:
The net torque on a body determines the rate of change of the body's
1255: 984: 686: 6263: 5803:. Such a mechanism multiplies torque, as rotation rate is reduced. 5356:{\displaystyle \tau =({\text{distance to centre}})({\text{force}}).} 4580:
where rotational speed is in revolutions per minute (rpm, rev/min).
4181:, is properly denoted N⋅m, as the unit for torque; although this is 7011: 6910: 6664: 6523: 6477: 5938:
Dynamo-electric machinery: A Manual For Students Of Electrotechnics
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The definition of angular momentum for a single point particle is:
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equilibrium problems in two-dimensions, three equations are used.
7337: 5843: 5738: 5714: 5392: 2805: 980: 578: 431: 348: 111: 66: 6087:(3rd technology update ed.). Boston: Pearson. p. 199. 203:{\displaystyle {\mathsf {M}}{\mathsf {L}}^{2}{\mathsf {T}}^{-2}} 7251: 7176: 7154: 6608: 6507: 6472: 5707: 5674: 5649: 4194: 4164: 1570:
is the angle between the force vector and the lever arm vector.
1108: 637: 393: 2280:{\displaystyle {\boldsymbol {\tau }}=I{\boldsymbol {\alpha }}} 7285: 7210: 7144: 6748: 6654: 6649: 6586: 6561: 5941:(4th ed.). New York, Harvard publishing co. p. 108. 5766: 5240: 5221:{\displaystyle 5252.113122\approx {\frac {33,000}{2\pi }}.\,} 4186: 3102:{\displaystyle E_{\mathrm {r} }={\tfrac {1}{2}}I\omega ^{2},} 2913: 2887: 2510:. But because the rate of change of linear momentum is force 1251: 1186:
is applied to the particle, only the perpendicular component
1103: 1077: 1055: 996: 473: 468: 410: 41: 5291:{\displaystyle \tau =({\text{moment arm}})({\text{force}}).} 2363:{\displaystyle \mathbf {L} =\mathbf {r} \times \mathbf {p} } 7367: 7327: 6900: 6566: 6497: 6462: 5975:
by Hendricks, Subramony, and Van Blerk, Chinappi page 148,
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engines produce useful torque only over a limited range of
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Dividing by 60 seconds per minute gives us the following.
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and those fundamental dimensions are the same as that for
2327: 1152:. This terminology can be traced back to at least 1811 in 1115:
may be defined as that which produces or tends to produce
5690: 4752: 1589: 1034: 271:{\displaystyle {\textbf {F}}={\frac {d\mathbf {p} }{dt}}} 5669:) that the engine is capable of providing at that speed. 5391:
in the direction of that torque. This causes the top to
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Manual Transmissions & Transaxles: Classroom manual
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the plane of movement and perpendicular to the wrench.
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Substitution in the above expression for work, , gives
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Some people (e.g., American automotive engineers) use
3072: 2538: 2516: 1707: 1692:{\displaystyle \mathbf {L} =I{\boldsymbol {\omega }},} 6977: 6083:
Knight, Randall; Jones, Brian; Field, Stuart (2016).
5560: 5531: 5502: 5473: 5451: 5321: 5256: 5184: 5010: 4954: 4844: 4787: 4595: 4428: 4305: 4260: 4023: 3900: 3819: 3722: 3650: 3576: 3493: 3443: 3419: 3392: 3365: 3293: 3265: 3245: 3209: 3147: 3055: 2937: 2903: 2828: 2695: 2661: 2639: 2562: 2390: 2338: 2293: 2260: 2173: 1757: 1669: 1606: 1556: 1510: 1475: 1443: 1421: 1399: 1314: 1013: 235: 161: 89: 5665:
is turning, and the vertical axis is the torque (in
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depends on three quantities: the force applied, the
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Definition and relation to other physical quantities
6217:. Bureau International des Poids et Mesures. 2019. 5673:Torque forms part of the basic specification of an 4236:radians per revolution. In the following formulas, 3406:{\displaystyle \mathrm {d} {\boldsymbol {\theta }}} 3386:is related to a corresponding angular displacement 6992: 6159: 6153: 6151: 5634: 5546: 5517: 5488: 5459: 5355: 5290: 5220: 5168: 4991: 4923: 4738: 4570: 4410: 4287: 4208:The traditional imperial units for torque are the 4130: 4005: 3869: 3803: 3706: 3634: 3557: 3477: 3427: 3405: 3378: 3349: 3278: 3251: 3215: 3172: 3101: 2992: 2916:is allowed to act through a distance, it is doing 2868: 2781: 2669: 2647: 2623: 2546: 2524: 2496: 2362: 2316: 2279: 2242: 2153: 1729: 1691: 1643: 1562: 1516: 1483: 1451: 1427: 1407: 1380: 1021: 270: 202: 95: 2234: 2193: 7382: 6398: 6157: 6082: 5230: 1085:, 'to twist') is said to have been suggested by 6335:Torque and Angular Momentum in Circular Motion 6148: 6067: 3359:However, the infinitesimal linear displacement 3021:represent (respectively) the initial and final 2532:and the rate of change of position is velocity 1182:relative to its axis of rotation. When a force 6061: 5777:pair is converted to a (torque, angular speed) 6384: 5914: 5373:The torque caused by the two opposing forces 1661:is time. For the motion of a point particle, 960: 5893:Serway, R. A. and Jewett, J. W. Jr. (2003). 5745:the front sprocket (commonly referred to as 4288:{\displaystyle P=\tau \cdot 2\pi \cdot \nu } 4223: 2912:can also be used to understand torque. If a 2250:This equation is the rotational analogue of 1582:(N⋅m). For more on the units of torque, see 1157: 6158:Kleppner, Daniel; Kolenkow, Robert (1973). 5930: 5928: 5918:Collected Papers in Physics and Engineering 4942:distance are increased proportionately by 2 4216:(denoted as either lb-ft or ft-lb) and the 2891: 1107:is that which produces or tends to produce 6391: 6377: 5994:Kane, T.R. Kane and D.A. Levinson (1985). 5439: 1340: 1336: 1097:. Thompson motivates the term as follows: 967: 953: 34: 6072:. John Wiley & Sons. pp. 184–85. 6068:Halliday, David; Resnick, Robert (1970). 5950: 5948: 5773:of the bicycle, a (torque, angular speed) 5489:{\displaystyle {\boldsymbol {\tau }}_{1}} 5217: 4988: 3858: 3792: 1495:is the magnitude of the force vector and 6270: 6204: 5966: 5934: 5925: 5689:(typically from around 1,000–6,000  5648: 5387:causes a change in the angular momentum 5368: 5239: 3884:The principle of moments, also known as 3567:The expression inside the integral is a 3379:{\displaystyle \mathrm {d} \mathbf {s} } 3279:{\displaystyle \mathrm {d} \mathbf {s} } 2799: 1467:is the magnitude of the position vector, 1173: 6291: 6184: 6018: 5915:Thomson, James; Larmor, Joseph (1912). 5578: 5563: 5476: 3879: 3768: 3749: 3737: 3724: 3700: 3687: 3628: 3591: 3543: 3463: 3399: 3163: 3155: 2846: 2758: 2328:Proof of the equivalence of definitions 2305: 2295: 2273: 2262: 2229: 2225: 2214: 2188: 2184: 2144: 2130: 2117: 2082: 2023: 1964: 1916: 1865: 1814: 1760: 1682: 1608: 1401: 1316: 1015: 7383: 6115: 5945: 5765:transmits the input power to the road 1590:Relationship with the angular momentum 1246:and is directed outward from the page. 1007:). The symbol for torque is typically 186: 172: 164: 6372: 6085:College Physics: A Strategic Approach 5399: 5235: 3141: 3049: 2931: 2792:each point within the mass, and then 1408:{\displaystyle {\boldsymbol {\tau }}} 1022:{\displaystyle {\boldsymbol {\tau }}} 649:Newton's law of universal gravitation 6278:"Dial Torque Wrenches from Grainger" 6241: 5935:Thompson, Silvanus Phillips (1893). 5895:Physics for Scientists and Engineers 5788: 1101:Just as the Newtonian definition of 1042:of force, it is commonly denoted by 6346:An interactive simulation of torque 5988: 5424:, and the torque a third equation: 1657:is the angular momentum vector and 1166:of Poisson's work appears in 1842. 630:Mechanics of planar particle motion 238: 13: 6365:An order-of-magnitude interactive. 6212:"SI brochure Ed. 9, Section 2.3.4" 4713: 4710: 4707: 4699: 4696: 4693: 4678: 4675: 4672: 4664: 4661: 4658: 4640: 4637: 4629: 4626: 4623: 4605: 4602: 4562: 4559: 4556: 4548: 4534: 4531: 4528: 4520: 4517: 4514: 4499: 4496: 4493: 4485: 4482: 4479: 4461: 4453: 4435: 4402: 4394: 4391: 4388: 4373: 4370: 4367: 4359: 4356: 4353: 4335: 4327: 4312: 3860: 3794: 3763: 3732: 3695: 3623: 3586: 3538: 3458: 3445: 3394: 3367: 3338: 3267: 3062: 3036:also represents the change in the 2980: 2904:Relationship with power and energy 2896:meaning 'to rotate', but the term 2853: 2841: 2770: 2767: 2764: 2747: 2744: 2741: 2712: 2700: 2579: 2567: 2473: 2461: 2444: 2432: 2407: 2395: 1772: 1769: 1766: 1631: 1619: 1528:, which produces a vector that is 1178:A particle is located at position 14: 7422: 6314: 6292:Erjavec, Jack (22 January 2010). 6025:Traité de mécanique, tome premier 5996:Dynamics, Theory and Applications 5697:, and show it as a torque curve. 5644: 4946:in the above derivation to give: 7232: 6296:. Cengage Learning. p. 38. 5921:. University Press. p. civ. 5733:), all of which attached to the 5628: 5611: 5596: 5547:{\displaystyle \mathbf {r} _{2}} 5534: 5525:, then the torque measured from 5518:{\displaystyle \mathbf {r} _{1}} 5505: 5453: 4121: 4107: 4092: 4071: 4056: 4041: 4026: 3990: 3975: 3954: 3939: 3924: 3909: 3615: 3607: 3599: 3578: 3551: 3530: 3471: 3450: 3421: 3372: 3343: 3330: 3272: 2830: 2735: 2726: 2705: 2663: 2641: 2617: 2609: 2601: 2593: 2572: 2540: 2518: 2487: 2466: 2437: 2421: 2400: 2356: 2348: 2340: 2120: 2086: 2027: 1968: 1920: 1869: 1818: 1671: 1624: 1477: 1445: 1332: 1324: 999:. It is also referred to as the 934: 933: 920: 253: 6415:Linear/translational quantities 6285: 6235: 6224:from the original on 2020-07-26 6134: 6120:(5th ed.). W. H. Freeman. 6109: 6076: 6050:from the original on 2007-08-19 1435:is the magnitude of the torque, 1193:produces a torque. This torque 6036: 6012: 5908: 5887: 5621: 5591: 5347: 5339: 5336: 5328: 5282: 5274: 5271: 5263: 4882: 4862: 4751:The use of other units (e.g., 2886:This word is derived from the 2633:The cross product of momentum 2148: 2137: 2091: 2032: 1973: 1925: 1874: 1823: 1749:pseudovector. It follows that 1337: 1: 6420:Angular/rotational quantities 5880: 5231:Special cases and other facts 4758: 3888:(not to be confused with the 2655:with its associated velocity 1286:is perpendicular to both the 556:Koopman–von Neumann mechanics 6162:An Introduction to Mechanics 6044:"Right Hand Rule for Torque" 5496:is the torque measured from 5460:{\displaystyle \mathbf {F} } 3428:{\displaystyle \mathbf {r} } 2670:{\displaystyle \mathbf {v} } 2648:{\displaystyle \mathbf {p} } 1484:{\displaystyle \mathbf {F} } 1452:{\displaystyle \mathbf {r} } 1038:. When being referred to as 624:Non-inertial reference frame 16:Turning force around an axis 7: 6244:American Journal of Physics 5806: 4763:For a rotating object, the 1144:, torque is referred to as 551:Appell's equation of motion 421:Inertial frame of reference 10: 7427: 6993:{\displaystyle {\dot {m}}} 6417: 5792: 2163:using the derivative of a 1583: 1065: 1061: 18: 6691:specific angular momentum 6419: 6414: 6409: 5960:Oxford English Dictionary 4224:Conversion to other units 3038:rotational kinetic energy 2547:{\textstyle \mathbf {v} } 2525:{\textstyle \mathbf {F} } 1415:is the torque vector and 1095:Dynamo-Electric Machinery 150: 137: 120: 110: 78: 33: 28: 6166:. McGraw-Hill. pp.  5753:) and the torque at the 4183:dimensionally equivalent 4140: 3234: 1093:in the first edition of 714:Rotating reference frame 546:Hamilton–Jacobi equation 6815:rotational acceleration 6321:"Horsepower and Torque" 6070:Fundamentals of Physics 5973:Physics for Engineering 5897:. 6th ed. Brooks Cole. 5440:Net force versus torque 5404:For an object to be in 4252:) is rotational speed. 1563:{\displaystyle \theta } 1517:{\displaystyle \times } 1148:, usually shortened to 655:Newton's laws of motion 515:Newton's laws of motion 21:Torque (disambiguation) 6994: 5834:Mechanical equilibrium 5670: 5636: 5548: 5519: 5490: 5461: 5434:statically determinate 5396: 5357: 5292: 5245: 5222: 5170: 4993: 4925: 4740: 4572: 4412: 4289: 4203:orientational analysis 4197:, it is assigned to a 4132: 4007: 3871: 3805: 3708: 3636: 3559: 3479: 3429: 3413:and the radius vector 3407: 3380: 3351: 3280: 3253: 3217: 3216:{\displaystyle \cdot } 3174: 3103: 3046:of the body, given by 2994: 2910:conservation of energy 2892: 2877: 2870: 2796:over the entire mass. 2783: 2671: 2649: 2625: 2548: 2526: 2498: 2364: 2318: 2281: 2244: 2155: 1731: 1693: 1645: 1564: 1518: 1485: 1453: 1429: 1409: 1382: 1247: 1164:An English translation 1158: 1142:mechanical engineering 1131: 1080: 1023: 682:Simple harmonic motion 595:Euler's laws of motion 389:D'Alembert's principle 272: 204: 97: 7396:Mechanical quantities 6995: 6351:Torque Unit Converter 6116:Tipler, Paul (2004). 6020:Poisson, Siméon-Denis 5652: 5637: 5549: 5520: 5491: 5462: 5372: 5358: 5293: 5243: 5223: 5171: 4994: 4926: 4741: 4573: 4413: 4290: 4175:literature indicates 4133: 4008: 3872: 3806: 3709: 3637: 3569:scalar triple product 3560: 3480: 3430: 3408: 3381: 3352: 3281: 3254: 3218: 3175: 3134:is the work per unit 3104: 3030:work–energy principle 2995: 2871: 2821: 2812:is the derivative of 2800:Derivatives of torque 2784: 2672: 2650: 2626: 2549: 2527: 2499: 2365: 2319: 2282: 2245: 2156: 1732: 1730:{\textstyle I=mr^{2}} 1694: 1646: 1565: 1519: 1491:is the force vector, 1486: 1454: 1430: 1428:{\displaystyle \tau } 1410: 1383: 1270:, it is given by the 1177: 1099: 1024: 1003:(also abbreviated to 536:Hamiltonian mechanics 354:Statistical mechanics 273: 205: 98: 96:{\displaystyle \tau } 40:Relationship between 6975: 6825:angular acceleration 6597:angular displacement 5727:derailleur mechanism 5558: 5529: 5500: 5471: 5449: 5432:. That is, to solve 5319: 5254: 5182: 5008: 4952: 4785: 4593: 4426: 4303: 4258: 4021: 3898: 3880:Principle of moments 3817: 3720: 3648: 3574: 3491: 3441: 3417: 3390: 3363: 3291: 3263: 3243: 3207: 3145: 3053: 3028:It follows from the 2935: 2928:can be expressed as 2826: 2693: 2659: 2637: 2560: 2536: 2514: 2388: 2336: 2291: 2258: 2171: 1755: 1705: 1667: 1604: 1554: 1508: 1473: 1441: 1419: 1397: 1312: 1280:right hand grip rule 1154:Siméon Denis Poisson 1140:In the UK and in US 1091:Silvanus P. Thompson 1011: 759:Angular acceleration 751:Rotational frequency 531:Lagrangian mechanics 524:Analytical mechanics 280:Second law of motion 233: 159: 87: 19:For other uses, see 6915:weighted position: 6732:rotational velocity 6680:kinematic viscosity 6400:Classical mechanics 6256:1979AmJPh..47..820P 6192:official SI website 5874:Torsion (mechanics) 5839:Rigid body dynamics 5824:Conversion of units 5731:multi-speed bicycle 5683:Internal-combustion 3890:geometrical theorem 3854: 3685: 3528: 3328: 2972: 2687:Newton's second law 2252:Newton's second law 1276:displacement vector 1254:(the length of the 1159:Traité de mécanique 1111:(along a line), so 1050:. A force of three 995:analogue of linear 611:Harmonic oscillator 589:Equations of motion 224:Classical mechanics 218:Part of a series on 6990: 6361:2021-05-08 at the 6326:2007-03-28 at the 6197:2021-04-19 at the 6005:2015-06-19 at the 5982:2017-07-11 at the 5859:Torque screwdriver 5671: 5632: 5544: 5515: 5486: 5457: 5406:static equilibrium 5400:Static equilibrium 5397: 5353: 5333:distance to centre 5288: 5246: 5244:Moment arm diagram 5236:Moment arm formula 5218: 5166: 5164: 4989: 4921: 4919: 4853: 4736: 4568: 4408: 4285: 4128: 4003: 3886:Varignon's theorem 3867: 3826: 3801: 3704: 3657: 3632: 3555: 3500: 3475: 3425: 3403: 3376: 3347: 3300: 3276: 3249: 3213: 3170: 3099: 3081: 2990: 2944: 2866: 2779: 2667: 2645: 2621: 2544: 2522: 2494: 2374:is the particle's 2360: 2314: 2277: 2240: 2151: 1727: 1689: 1641: 1578:for torque is the 1560: 1514: 1481: 1449: 1425: 1405: 1378: 1248: 1068:Couple (mechanics) 1019: 927:Physics portal 541:Routhian mechanics 416:Frame of reference 268: 200: 141:SI base units 93: 7378: 7377: 7373: 7372: 6987: 6940:moment of inertia 6356:A feel for torque 6303:978-1-4354-3933-7 6280:. Grainger. 2020. 5795:Torque multiplier 5789:Torque multiplier 5757:of the bicycle's 5721:) meshing with a 5687:rotational speeds 5467:is not zero, and 5345: 5334: 5280: 5269: 5212: 5160: 5146: 5138: 5120: 5117: 5116: 5111: 5103: 5083: 5074: 5073: 5068: 5058: 5047: 5030: 5018: 4983: 4966: 4958: 4912: 4904: 4889: 4874: 4852: 4848: 4824: 4823: 4818: 4810: 4795: 4731: 4566: 4547: 3252:{\displaystyle s} 3118:moment of inertia 3080: 3023:angular positions 2978: 2861: 2720: 2587: 2481: 2452: 2415: 2311: 2237: 2208: 2196: 2123: 2106: 2094: 2047: 2035: 1988: 1976: 1928: 1909: 1877: 1858: 1826: 1807: 1739:moment of inertia 1639: 977: 976: 724:Centrifugal force 719:Centripetal force 675:Euler's equations 660:Relative velocity 436:Moment of inertia 266: 240: 213: 212: 7418: 7411:Moment (physics) 7365: 7361: 7349: 7345: 7325: 7321: 7309: 7305: 7283: 7279: 7269: 7259: 7244: 7240: 7230: 7208: 7204: 7194: 7184: 7169: 7165: 7152: 7128: 7122: 7114: 7103: 7097: 7086: 7079:angular momentum 7064: 7058: 7050: 7035: 7029: 7019: 7006: 7000: 6999: 6997: 6996: 6991: 6989: 6988: 6980: 6953: 6947: 6931: 6908: 6889: 6884: 6862: 6840: 6834: 6817: 6801: 6779: 6773: 6764:angular velocity 6761: 6742: 6741: 6728: 6727: 6720:rotational speed 6716: 6715: 6698: 6687: 6672: 6662: 6643: 6642: 6625: 6620: 6606: 6594: 6574: 6555: 6554: 6548: 6542: 6531: 6505: 6485: 6470: 6454: 6447: 6412: 6411: 6393: 6386: 6379: 6370: 6369: 6308: 6307: 6289: 6283: 6281: 6274: 6268: 6267: 6239: 6233: 6232: 6230: 6229: 6223: 6216: 6208: 6202: 6188: 6182: 6181: 6165: 6155: 6146: 6145: 6138: 6132: 6131: 6113: 6107: 6106: 6080: 6074: 6073: 6065: 6059: 6058: 6056: 6055: 6040: 6034: 6033: 6016: 6010: 5992: 5986: 5970: 5964: 5963: 5952: 5943: 5942: 5932: 5923: 5922: 5912: 5906: 5891: 5849:Torque converter 5761:. The bicycle's 5655:rotational speed 5641: 5639: 5638: 5633: 5631: 5620: 5619: 5614: 5605: 5604: 5599: 5587: 5586: 5581: 5572: 5571: 5566: 5553: 5551: 5550: 5545: 5543: 5542: 5537: 5524: 5522: 5521: 5516: 5514: 5513: 5508: 5495: 5493: 5492: 5487: 5485: 5484: 5479: 5466: 5464: 5463: 5458: 5456: 5431: 5423: 5415: 5362: 5360: 5359: 5354: 5346: 5343: 5335: 5332: 5297: 5295: 5294: 5289: 5281: 5278: 5270: 5267: 5227: 5225: 5224: 5219: 5213: 5211: 5203: 5192: 5175: 5173: 5172: 5167: 5165: 5161: 5159: 5148: 5147: 5144: 5139: 5136: 5133: 5125: 5121: 5119: 5118: 5114: 5113: 5112: 5109: 5104: 5101: 5098: 5081: 5080: 5075: 5071: 5070: 5069: 5066: 5064: 5059: 5056: 5053: 5048: 5046:rotational speed 5045: 5031: 5028: 5019: 5016: 4998: 4996: 4995: 4990: 4984: 4982:rotational speed 4981: 4967: 4964: 4959: 4956: 4945: 4930: 4928: 4927: 4922: 4920: 4913: 4910: 4905: 4902: 4894: 4890: 4885: 4875: 4872: 4858: 4854: 4846: 4845: 4837: 4829: 4825: 4821: 4820: 4819: 4816: 4811: 4808: 4805: 4796: 4793: 4745: 4743: 4742: 4737: 4732: 4730: 4719: 4718: 4717: 4716: 4706: 4683: 4682: 4681: 4671: 4645: 4644: 4643: 4636: 4615: 4610: 4609: 4608: 4577: 4575: 4574: 4569: 4567: 4565: 4555: 4545: 4540: 4539: 4538: 4537: 4527: 4504: 4503: 4502: 4492: 4466: 4465: 4464: 4460: 4445: 4440: 4439: 4438: 4417: 4415: 4414: 4409: 4407: 4406: 4405: 4401: 4378: 4377: 4376: 4366: 4340: 4339: 4338: 4334: 4317: 4316: 4315: 4294: 4292: 4291: 4286: 4235: 4230:rotational speed 4162: 4159: 4156: 4137: 4135: 4134: 4129: 4124: 4116: 4115: 4110: 4101: 4100: 4095: 4080: 4079: 4074: 4065: 4064: 4059: 4050: 4049: 4044: 4035: 4034: 4029: 4012: 4010: 4009: 4004: 3999: 3998: 3993: 3984: 3983: 3978: 3963: 3962: 3957: 3948: 3947: 3942: 3933: 3932: 3927: 3918: 3917: 3912: 3876: 3874: 3873: 3868: 3863: 3853: 3852: 3851: 3841: 3840: 3839: 3810: 3808: 3807: 3802: 3797: 3776: 3772: 3771: 3766: 3756: 3752: 3740: 3735: 3727: 3713: 3711: 3710: 3705: 3703: 3698: 3690: 3684: 3683: 3682: 3672: 3671: 3670: 3641: 3639: 3638: 3633: 3631: 3626: 3618: 3610: 3602: 3594: 3589: 3581: 3564: 3562: 3561: 3556: 3554: 3546: 3541: 3533: 3527: 3526: 3525: 3515: 3514: 3513: 3484: 3482: 3481: 3476: 3474: 3466: 3461: 3453: 3448: 3434: 3432: 3431: 3426: 3424: 3412: 3410: 3409: 3404: 3402: 3397: 3385: 3383: 3382: 3377: 3375: 3370: 3356: 3354: 3353: 3348: 3346: 3341: 3333: 3327: 3326: 3325: 3315: 3314: 3313: 3285: 3283: 3282: 3277: 3275: 3270: 3258: 3256: 3255: 3250: 3222: 3220: 3219: 3214: 3201:angular velocity 3180: 3177: 3176: 3171: 3166: 3158: 3120:of the body and 3109: 3106: 3105: 3100: 3095: 3094: 3082: 3073: 3067: 3066: 3065: 3000: 2997: 2996: 2991: 2983: 2976: 2971: 2970: 2969: 2959: 2958: 2957: 2895: 2875: 2873: 2872: 2867: 2862: 2860: 2856: 2850: 2849: 2844: 2838: 2833: 2816:with respect to 2788: 2786: 2785: 2780: 2775: 2774: 2773: 2761: 2752: 2751: 2750: 2738: 2729: 2721: 2719: 2715: 2709: 2708: 2703: 2697: 2683:first derivative 2676: 2674: 2673: 2668: 2666: 2654: 2652: 2651: 2646: 2644: 2630: 2628: 2627: 2622: 2620: 2612: 2604: 2596: 2588: 2586: 2582: 2576: 2575: 2570: 2564: 2553: 2551: 2550: 2545: 2543: 2531: 2529: 2528: 2523: 2521: 2503: 2501: 2500: 2495: 2490: 2482: 2480: 2476: 2470: 2469: 2464: 2458: 2453: 2451: 2447: 2441: 2440: 2435: 2429: 2424: 2416: 2414: 2410: 2404: 2403: 2398: 2392: 2369: 2367: 2366: 2361: 2359: 2351: 2343: 2323: 2321: 2320: 2315: 2313: 2312: 2304: 2298: 2286: 2284: 2283: 2278: 2276: 2265: 2249: 2247: 2246: 2241: 2239: 2238: 2233: 2232: 2223: 2217: 2209: 2207: 2199: 2198: 2197: 2192: 2191: 2182: 2175: 2160: 2158: 2157: 2152: 2147: 2133: 2125: 2124: 2116: 2107: 2105: 2097: 2096: 2095: 2090: 2089: 2080: 2073: 2071: 2070: 2061: 2060: 2048: 2046: 2038: 2037: 2036: 2031: 2030: 2021: 2014: 2012: 2011: 2002: 2001: 1989: 1987: 1979: 1978: 1977: 1972: 1971: 1962: 1955: 1953: 1952: 1943: 1942: 1930: 1929: 1924: 1923: 1914: 1911: 1910: 1905: 1904: 1895: 1892: 1891: 1879: 1878: 1873: 1872: 1863: 1860: 1859: 1854: 1853: 1844: 1841: 1840: 1828: 1827: 1822: 1821: 1812: 1809: 1808: 1803: 1802: 1793: 1790: 1789: 1777: 1776: 1775: 1763: 1747:angular velocity 1736: 1734: 1733: 1728: 1726: 1725: 1698: 1696: 1695: 1690: 1685: 1674: 1650: 1648: 1647: 1642: 1640: 1638: 1634: 1628: 1627: 1622: 1616: 1611: 1596:angular momentum 1569: 1567: 1566: 1561: 1543: 1537: 1523: 1521: 1520: 1515: 1490: 1488: 1487: 1482: 1480: 1458: 1456: 1455: 1450: 1448: 1434: 1432: 1431: 1426: 1414: 1412: 1411: 1406: 1404: 1387: 1385: 1384: 1379: 1359: 1358: 1335: 1327: 1319: 1304:lever arm vector 1245: 1240: 1234: 1228: 1219: 1208: 1161: 1045: 1029:, the lowercase 1028: 1026: 1025: 1020: 1018: 969: 962: 955: 942: 937: 936: 929: 925: 924: 830:Johann Bernoulli 825:Daniel Bernoulli 746:Tangential speed 650: 626: 601:Fictitious force 596: 448:Mechanical power 438: 379:Angular momentum 277: 275: 274: 269: 267: 265: 257: 256: 247: 242: 241: 215: 214: 209: 207: 206: 201: 199: 198: 190: 189: 182: 181: 176: 175: 168: 167: 142: 127:pound-force-feet 102: 100: 99: 94: 73:not considered). 60:angular momentum 38: 26: 25: 7426: 7425: 7421: 7420: 7419: 7417: 7416: 7415: 7381: 7380: 7379: 7374: 7363: 7362: 7357: 7347: 7346: 7341: 7323: 7322: 7317: 7307: 7306: 7301: 7281: 7280: 7275: 7265: 7255: 7242: 7241: 7236: 7224: 7206: 7205: 7200: 7190: 7180: 7167: 7166: 7164: 7158: 7148: 7126: 7123: 7120: 7112: 7101: 7098: 7092: 7089:angular impulse 7082: 7062: 7059: 7056: 7048: 7033: 7030: 7025: 7015: 7004: 7001: 6979: 6978: 6976: 6973: 6972: 6971: 6951: 6948: 6943: 6916: 6909: 6904: 6887: 6885: 6878: 6863: 6858: 6838: 6835: 6828: 6818: 6813: 6802: 6797: 6777: 6774: 6767: 6757: 6743: 6735: 6730: 6723: 6718: 6711: 6706: 6699: 6694: 6689: 6683: 6673: 6668: 6658: 6644: 6638: 6633: 6621: 6618: 6613: 6607: 6600: 6590: 6575: 6570: 6560: 6550: 6544: 6538: 6533: 6527: 6506: 6501: 6486: 6481: 6471: 6466: 6450: 6443: 6405: 6397: 6363:Wayback Machine 6340:Project PHYSNET 6328:Wayback Machine 6317: 6312: 6311: 6304: 6290: 6286: 6276: 6275: 6271: 6264:10.1119/1.11704 6240: 6236: 6227: 6225: 6221: 6214: 6210: 6209: 6205: 6199:Wayback Machine 6189: 6185: 6178: 6156: 6149: 6140: 6139: 6135: 6128: 6114: 6110: 6095: 6081: 6077: 6066: 6062: 6053: 6051: 6042: 6041: 6037: 6017: 6013: 6007:Wayback Machine 5993: 5989: 5984:Wayback Machine 5971: 5967: 5954: 5953: 5946: 5933: 5926: 5913: 5909: 5892: 5888: 5883: 5878: 5829:Friction torque 5809: 5797: 5791: 5780: 5776: 5703:electric motors 5647: 5627: 5615: 5610: 5609: 5600: 5595: 5594: 5582: 5577: 5576: 5567: 5562: 5561: 5559: 5556: 5555: 5538: 5533: 5532: 5530: 5527: 5526: 5509: 5504: 5503: 5501: 5498: 5497: 5480: 5475: 5474: 5472: 5469: 5468: 5452: 5450: 5447: 5446: 5442: 5425: 5417: 5409: 5402: 5386: 5379: 5342: 5331: 5320: 5317: 5316: 5277: 5266: 5255: 5252: 5251: 5238: 5233: 5204: 5193: 5191: 5183: 5180: 5179: 5163: 5162: 5149: 5143: 5135: 5134: 5132: 5123: 5122: 5108: 5100: 5099: 5097: 5084: 5079: 5065: 5060: 5055: 5054: 5052: 5044: 5027: 5020: 5015: 5011: 5009: 5006: 5005: 4980: 4963: 4955: 4953: 4950: 4949: 4943: 4918: 4917: 4909: 4901: 4892: 4891: 4871: 4843: 4839: 4838: 4836: 4827: 4826: 4817:linear distance 4815: 4807: 4806: 4804: 4797: 4792: 4788: 4786: 4783: 4782: 4767:covered at the 4765:linear distance 4761: 4720: 4702: 4692: 4691: 4687: 4667: 4657: 4656: 4652: 4632: 4622: 4621: 4617: 4616: 4614: 4601: 4600: 4596: 4594: 4591: 4590: 4551: 4541: 4523: 4513: 4512: 4508: 4488: 4478: 4477: 4473: 4456: 4452: 4451: 4447: 4446: 4444: 4434: 4433: 4429: 4427: 4424: 4423: 4397: 4387: 4386: 4382: 4362: 4352: 4351: 4347: 4330: 4326: 4325: 4321: 4311: 4310: 4306: 4304: 4301: 4300: 4297:Showing units: 4259: 4256: 4255: 4250:Greek letter nu 4244:is torque, and 4233: 4226: 4160: 4157: 4154: 4153:, symbolically 4149:of force times 4145:Torque has the 4143: 4120: 4111: 4106: 4105: 4096: 4091: 4090: 4075: 4070: 4069: 4060: 4055: 4054: 4045: 4040: 4039: 4030: 4025: 4024: 4022: 4019: 4018: 3994: 3989: 3988: 3979: 3974: 3973: 3958: 3953: 3952: 3943: 3938: 3937: 3928: 3923: 3922: 3913: 3908: 3907: 3899: 3896: 3895: 3882: 3859: 3847: 3843: 3842: 3835: 3831: 3830: 3818: 3815: 3814: 3793: 3767: 3762: 3761: 3757: 3748: 3744: 3736: 3731: 3723: 3721: 3718: 3717: 3699: 3694: 3686: 3678: 3674: 3673: 3666: 3662: 3661: 3649: 3646: 3645: 3627: 3622: 3614: 3606: 3598: 3590: 3585: 3577: 3575: 3572: 3571: 3550: 3542: 3537: 3529: 3521: 3517: 3516: 3509: 3505: 3504: 3492: 3489: 3488: 3470: 3462: 3457: 3449: 3444: 3442: 3439: 3438: 3420: 3418: 3415: 3414: 3398: 3393: 3391: 3388: 3387: 3371: 3366: 3364: 3361: 3360: 3342: 3337: 3329: 3321: 3317: 3316: 3309: 3305: 3304: 3292: 3289: 3288: 3271: 3266: 3264: 3261: 3260: 3244: 3241: 3240: 3237: 3223:represents the 3208: 3205: 3204: 3162: 3154: 3146: 3143: 3090: 3086: 3071: 3061: 3060: 3056: 3054: 3051: 3045: 3020: 3013: 3007:is torque, and 2979: 2965: 2961: 2960: 2953: 2949: 2948: 2936: 2933: 2918:mechanical work 2906: 2852: 2851: 2845: 2840: 2839: 2837: 2829: 2827: 2824: 2823: 2802: 2763: 2762: 2757: 2756: 2740: 2739: 2734: 2733: 2725: 2711: 2710: 2704: 2699: 2698: 2696: 2694: 2691: 2690: 2689:it follows that 2662: 2660: 2657: 2656: 2640: 2638: 2635: 2634: 2616: 2608: 2600: 2592: 2578: 2577: 2571: 2566: 2565: 2563: 2561: 2558: 2557: 2539: 2537: 2534: 2533: 2517: 2515: 2512: 2511: 2486: 2472: 2471: 2465: 2460: 2459: 2457: 2443: 2442: 2436: 2431: 2430: 2428: 2420: 2406: 2405: 2399: 2394: 2393: 2391: 2389: 2386: 2385: 2376:linear momentum 2355: 2347: 2339: 2337: 2334: 2333: 2330: 2303: 2302: 2294: 2292: 2289: 2288: 2272: 2261: 2259: 2256: 2255: 2228: 2224: 2222: 2221: 2213: 2200: 2187: 2183: 2181: 2180: 2176: 2174: 2172: 2169: 2168: 2143: 2129: 2115: 2114: 2098: 2085: 2081: 2079: 2078: 2074: 2072: 2066: 2062: 2056: 2052: 2039: 2026: 2022: 2020: 2019: 2015: 2013: 2007: 2003: 1997: 1993: 1980: 1967: 1963: 1961: 1960: 1956: 1954: 1948: 1944: 1938: 1934: 1919: 1915: 1913: 1912: 1900: 1896: 1894: 1893: 1887: 1883: 1868: 1864: 1862: 1861: 1849: 1845: 1843: 1842: 1836: 1832: 1817: 1813: 1811: 1810: 1798: 1794: 1792: 1791: 1785: 1781: 1765: 1764: 1759: 1758: 1756: 1753: 1752: 1745:is the orbital 1721: 1717: 1706: 1703: 1702: 1681: 1670: 1668: 1665: 1664: 1630: 1629: 1623: 1618: 1617: 1615: 1607: 1605: 1602: 1601: 1592: 1555: 1552: 1551: 1546:right-hand rule 1539: 1533: 1509: 1506: 1505: 1501: 1476: 1474: 1471: 1470: 1461:position vector 1444: 1442: 1439: 1438: 1420: 1417: 1416: 1400: 1398: 1395: 1394: 1354: 1350: 1331: 1323: 1315: 1313: 1310: 1309: 1268:point particles 1252:lever's fulcrum 1236: 1230: 1229:| = | 1227: 1221: 1215: 1210: 1194: 1192: 1172: 1146:moment of force 1070: 1064: 1043: 1014: 1012: 1009: 1008: 1001:moment of force 973: 932: 919: 918: 911: 910: 909: 784: 776: 775: 755: 709:Circular motion 703: 693: 692: 691: 648: 618: 615: 594: 573: 565: 564: 561: 560: 518: 508: 500: 499: 498: 457: 453:Mechanical work 446: 430: 368: 360: 359: 358: 313: 305: 282: 258: 252: 248: 246: 237: 236: 234: 231: 230: 191: 185: 184: 183: 177: 171: 170: 169: 163: 162: 160: 157: 156: 140: 123: 88: 85: 84: 81: 74: 53:linear momentum 24: 17: 12: 11: 5: 7424: 7414: 7413: 7408: 7403: 7398: 7393: 7376: 7375: 7371: 7370: 7351: 7335: 7333: 7330: 7311: 7295: 7293: 7289: 7288: 7249: 7218: 7216: 7213: 7174: 7162: 7142: 7140: 7136: 7135: 7106: 7076: 7074: 7071: 7042: 7009: 6986: 6983: 6968:Mass flow rate 6965: 6961: 6960: 6958: 6956: 6937: 6934: 6932: 6913: 6898: 6894: 6893: 6891: 6872: 6870: 6867: 6865: 6852: 6850: 6846: 6845: 6843: 6822: 6811: 6808: 6806: 6791: 6789: 6785: 6784: 6782: 6751: 6704: 6701: 6677: 6652: 6631: 6627: 6626: 6611: 6584: 6582: 6579: 6564: 6521: 6519: 6515: 6514: 6512: 6510: 6495: 6492: 6490: 6475: 6460: 6456: 6455: 6448: 6441: 6438: 6435: 6432: 6429: 6426: 6422: 6421: 6418: 6416: 6410: 6407: 6406: 6396: 6395: 6388: 6381: 6373: 6367: 6366: 6353: 6348: 6343: 6331: 6316: 6315:External links 6313: 6310: 6309: 6302: 6284: 6269: 6234: 6203: 6183: 6176: 6147: 6133: 6126: 6108: 6093: 6075: 6060: 6035: 6011: 5987: 5965: 5944: 5924: 5907: 5885: 5884: 5882: 5879: 5877: 5876: 5871: 5866: 5861: 5856: 5854:Torque limiter 5851: 5846: 5841: 5836: 5831: 5826: 5821: 5819:Bending moment 5816: 5810: 5808: 5805: 5793:Main article: 5790: 5787: 5778: 5774: 5646: 5645:Machine torque 5643: 5630: 5626: 5623: 5618: 5613: 5608: 5603: 5598: 5593: 5590: 5585: 5580: 5575: 5570: 5565: 5541: 5536: 5512: 5507: 5483: 5478: 5455: 5441: 5438: 5401: 5398: 5384: 5377: 5352: 5349: 5341: 5338: 5330: 5327: 5324: 5287: 5284: 5276: 5273: 5265: 5262: 5259: 5237: 5234: 5232: 5229: 5216: 5210: 5207: 5202: 5199: 5196: 5190: 5187: 5158: 5155: 5152: 5142: 5131: 5128: 5126: 5124: 5107: 5096: 5093: 5090: 5087: 5078: 5063: 5051: 5043: 5040: 5037: 5034: 5026: 5023: 5021: 5014: 5013: 4987: 4979: 4976: 4973: 4970: 4962: 4916: 4908: 4900: 4897: 4895: 4893: 4888: 4884: 4881: 4878: 4870: 4867: 4864: 4861: 4857: 4851: 4842: 4835: 4832: 4830: 4828: 4814: 4803: 4800: 4798: 4791: 4790: 4760: 4757: 4735: 4729: 4726: 4723: 4715: 4712: 4709: 4705: 4701: 4698: 4695: 4690: 4686: 4680: 4677: 4674: 4670: 4666: 4663: 4660: 4655: 4651: 4648: 4642: 4639: 4635: 4631: 4628: 4625: 4620: 4613: 4607: 4604: 4599: 4564: 4561: 4558: 4554: 4550: 4544: 4536: 4533: 4530: 4526: 4522: 4519: 4516: 4511: 4507: 4501: 4498: 4495: 4491: 4487: 4484: 4481: 4476: 4472: 4469: 4463: 4459: 4455: 4450: 4443: 4437: 4432: 4404: 4400: 4396: 4393: 4390: 4385: 4381: 4375: 4372: 4369: 4365: 4361: 4358: 4355: 4350: 4346: 4343: 4337: 4333: 4329: 4324: 4320: 4314: 4309: 4284: 4281: 4278: 4275: 4272: 4269: 4266: 4263: 4225: 4222: 4193:, whereas for 4142: 4139: 4127: 4123: 4119: 4114: 4109: 4104: 4099: 4094: 4089: 4086: 4083: 4078: 4073: 4068: 4063: 4058: 4053: 4048: 4043: 4038: 4033: 4028: 4002: 3997: 3992: 3987: 3982: 3977: 3972: 3969: 3966: 3961: 3956: 3951: 3946: 3941: 3936: 3931: 3926: 3921: 3916: 3911: 3906: 3903: 3881: 3878: 3866: 3862: 3857: 3850: 3846: 3838: 3834: 3829: 3825: 3822: 3800: 3796: 3791: 3788: 3785: 3782: 3779: 3775: 3770: 3765: 3760: 3755: 3751: 3747: 3743: 3739: 3734: 3730: 3726: 3702: 3697: 3693: 3689: 3681: 3677: 3669: 3665: 3660: 3656: 3653: 3630: 3625: 3621: 3617: 3613: 3609: 3605: 3601: 3597: 3593: 3588: 3584: 3580: 3553: 3549: 3545: 3540: 3536: 3532: 3524: 3520: 3512: 3508: 3503: 3499: 3496: 3473: 3469: 3465: 3460: 3456: 3452: 3447: 3423: 3401: 3396: 3374: 3369: 3345: 3340: 3336: 3332: 3324: 3320: 3312: 3308: 3303: 3299: 3296: 3274: 3269: 3248: 3236: 3233: 3225:scalar product 3212: 3169: 3165: 3161: 3157: 3153: 3150: 3098: 3093: 3089: 3085: 3079: 3076: 3070: 3064: 3059: 3043: 3018: 3011: 2989: 2986: 2982: 2975: 2968: 2964: 2956: 2952: 2947: 2943: 2940: 2922:center of mass 2905: 2902: 2865: 2859: 2855: 2848: 2843: 2836: 2832: 2801: 2798: 2778: 2772: 2769: 2766: 2760: 2755: 2749: 2746: 2743: 2737: 2732: 2728: 2724: 2718: 2714: 2707: 2702: 2665: 2643: 2619: 2615: 2611: 2607: 2603: 2599: 2595: 2591: 2585: 2581: 2574: 2569: 2542: 2520: 2493: 2489: 2485: 2479: 2475: 2468: 2463: 2456: 2450: 2446: 2439: 2434: 2427: 2423: 2419: 2413: 2409: 2402: 2397: 2358: 2354: 2350: 2346: 2342: 2329: 2326: 2310: 2307: 2301: 2297: 2275: 2271: 2268: 2264: 2236: 2231: 2227: 2220: 2216: 2212: 2206: 2203: 2195: 2190: 2186: 2179: 2150: 2146: 2142: 2139: 2136: 2132: 2128: 2122: 2119: 2113: 2110: 2104: 2101: 2093: 2088: 2084: 2077: 2069: 2065: 2059: 2055: 2051: 2045: 2042: 2034: 2029: 2025: 2018: 2010: 2006: 2000: 1996: 1992: 1986: 1983: 1975: 1970: 1966: 1959: 1951: 1947: 1941: 1937: 1933: 1927: 1922: 1918: 1908: 1903: 1899: 1890: 1886: 1882: 1876: 1871: 1867: 1857: 1852: 1848: 1839: 1835: 1831: 1825: 1820: 1816: 1806: 1801: 1797: 1788: 1784: 1780: 1774: 1771: 1768: 1762: 1724: 1720: 1716: 1713: 1710: 1688: 1684: 1680: 1677: 1673: 1637: 1633: 1626: 1621: 1614: 1610: 1591: 1588: 1572: 1571: 1559: 1549: 1544:following the 1513: 1503: 1499: 1479: 1468: 1447: 1436: 1424: 1403: 1377: 1374: 1371: 1368: 1365: 1362: 1357: 1353: 1349: 1346: 1343: 1339: 1334: 1330: 1326: 1322: 1318: 1260:line of action 1225: 1209:has magnitude 1190: 1171: 1168: 1063: 1060: 1017: 975: 974: 972: 971: 964: 957: 949: 946: 945: 944: 943: 930: 913: 912: 908: 907: 902: 897: 892: 887: 882: 877: 872: 867: 862: 857: 852: 847: 842: 837: 832: 827: 822: 817: 812: 807: 802: 797: 792: 786: 785: 782: 781: 778: 777: 774: 773: 754: 753: 748: 743: 738: 736:Coriolis force 733: 732: 731: 721: 716: 711: 705: 704: 699: 698: 695: 694: 690: 689: 684: 679: 678: 677: 672: 662: 657: 652: 645: 634: 633: 632: 627: 614: 613: 608: 603: 598: 591: 586: 581: 575: 574: 571: 570: 567: 566: 563: 562: 559: 558: 553: 548: 543: 538: 533: 527: 521: 519: 512: 509: 506: 505: 502: 501: 497: 496: 491: 486: 481: 476: 471: 466: 461: 455: 450: 444: 439: 428: 423: 418: 413: 408: 407: 406: 401: 391: 386: 381: 376: 370: 369: 366: 365: 362: 361: 357: 356: 351: 346: 341: 336: 331: 326: 321: 315: 314: 311: 310: 307: 306: 304: 303: 298: 293: 287: 284: 283: 278: 264: 261: 255: 251: 245: 227: 226: 220: 219: 211: 210: 197: 194: 188: 180: 174: 166: 154: 148: 147: 144: 135: 134: 124: 121: 118: 117: 114: 108: 107: 92: 82: 80:Common symbols 79: 76: 75: 39: 31: 30: 15: 9: 6: 4: 3: 2: 7423: 7412: 7409: 7407: 7404: 7402: 7399: 7397: 7394: 7392: 7389: 7388: 7386: 7369: 7360: 7355: 7352: 7344: 7339: 7336: 7334: 7331: 7329: 7320: 7315: 7312: 7304: 7299: 7296: 7294: 7291: 7290: 7287: 7278: 7273: 7268: 7263: 7258: 7253: 7250: 7248: 7239: 7234: 7229: 7228: 7222: 7219: 7217: 7214: 7212: 7203: 7198: 7193: 7188: 7183: 7178: 7175: 7173: 7161: 7156: 7151: 7146: 7143: 7141: 7138: 7137: 7134: 7130: 7118: 7110: 7107: 7105: 7096: 7090: 7085: 7080: 7077: 7075: 7072: 7070: 7066: 7054: 7046: 7043: 7041: 7037: 7028: 7023: 7018: 7013: 7010: 7008: 6984: 6981: 6969: 6966: 6963: 6962: 6959: 6957: 6955: 6946: 6941: 6938: 6935: 6933: 6930: 6927: 6923: 6919: 6914: 6912: 6907: 6902: 6899: 6896: 6895: 6892: 6883: 6882: 6876: 6873: 6871: 6868: 6866: 6861: 6856: 6853: 6851: 6848: 6847: 6844: 6842: 6833: 6832: 6826: 6823: 6821: 6816: 6812: 6809: 6807: 6805: 6800: 6795: 6792: 6790: 6787: 6786: 6783: 6781: 6772: 6771: 6765: 6760: 6755: 6754:angular speed 6752: 6750: 6746: 6740: 6739: 6733: 6726: 6721: 6714: 6709: 6705: 6702: 6697: 6692: 6686: 6681: 6678: 6676: 6671: 6666: 6661: 6656: 6653: 6651: 6647: 6641: 6636: 6632: 6629: 6628: 6624: 6616: 6612: 6610: 6605: 6604: 6598: 6593: 6588: 6585: 6583: 6580: 6578: 6573: 6568: 6565: 6563: 6559: 6553: 6547: 6541: 6536: 6530: 6525: 6522: 6520: 6517: 6516: 6513: 6511: 6509: 6504: 6499: 6496: 6493: 6491: 6489: 6484: 6479: 6476: 6474: 6469: 6464: 6461: 6458: 6457: 6453: 6449: 6446: 6442: 6439: 6436: 6433: 6430: 6427: 6424: 6423: 6413: 6408: 6404: 6401: 6394: 6389: 6387: 6382: 6380: 6375: 6374: 6371: 6364: 6360: 6357: 6354: 6352: 6349: 6347: 6344: 6341: 6337: 6336: 6332: 6329: 6325: 6322: 6319: 6318: 6305: 6299: 6295: 6288: 6279: 6273: 6265: 6261: 6257: 6253: 6249: 6245: 6238: 6220: 6213: 6207: 6200: 6196: 6193: 6187: 6179: 6177:9780070350489 6173: 6169: 6164: 6163: 6154: 6152: 6143: 6137: 6129: 6127:0-7167-0809-4 6123: 6119: 6112: 6104: 6100: 6096: 6094:9780134143323 6090: 6086: 6079: 6071: 6064: 6049: 6045: 6039: 6031: 6027: 6026: 6021: 6015: 6008: 6004: 6001: 6000:Free download 5997: 5991: 5985: 5981: 5978: 5974: 5969: 5961: 5957: 5951: 5949: 5940: 5939: 5931: 5929: 5920: 5919: 5911: 5904: 5903:0-534-40842-7 5900: 5896: 5890: 5886: 5875: 5872: 5870: 5869:Torque wrench 5867: 5865: 5864:Torque tester 5862: 5860: 5857: 5855: 5852: 5850: 5847: 5845: 5842: 5840: 5837: 5835: 5832: 5830: 5827: 5825: 5822: 5820: 5817: 5815: 5812: 5811: 5804: 5802: 5796: 5786: 5784: 5783:angular speed 5772: 5768: 5764: 5760: 5756: 5752: 5748: 5744: 5740: 5736: 5732: 5728: 5724: 5720: 5716: 5711: 5709: 5704: 5700: 5699:Steam engines 5696: 5692: 5688: 5684: 5680: 5676: 5668: 5667:newton-metres 5664: 5660: 5656: 5651: 5642: 5624: 5616: 5606: 5601: 5588: 5583: 5573: 5568: 5539: 5510: 5481: 5437: 5435: 5429: 5421: 5413: 5407: 5394: 5390: 5383: 5376: 5371: 5367: 5363: 5350: 5325: 5322: 5314: 5312: 5307: 5303: 5298: 5285: 5260: 5257: 5249: 5242: 5228: 5214: 5208: 5205: 5200: 5197: 5194: 5188: 5185: 5176: 5156: 5153: 5150: 5140: 5129: 5127: 5105: 5094: 5091: 5088: 5085: 5076: 5061: 5049: 5041: 5038: 5035: 5032: 5024: 5022: 5003: 4999: 4985: 4977: 4974: 4971: 4968: 4960: 4947: 4940: 4936: 4931: 4914: 4911:angular speed 4906: 4898: 4896: 4886: 4879: 4876: 4873:angular speed 4868: 4865: 4859: 4855: 4849: 4840: 4833: 4831: 4812: 4801: 4799: 4780: 4778: 4773: 4770: 4769:circumference 4766: 4756: 4754: 4749: 4746: 4733: 4727: 4724: 4721: 4703: 4688: 4684: 4668: 4653: 4649: 4646: 4633: 4618: 4611: 4597: 4588: 4586: 4581: 4578: 4552: 4542: 4524: 4509: 4505: 4489: 4474: 4470: 4467: 4457: 4448: 4441: 4430: 4421: 4418: 4398: 4383: 4379: 4363: 4348: 4344: 4341: 4331: 4322: 4318: 4307: 4298: 4295: 4282: 4279: 4276: 4273: 4270: 4267: 4264: 4261: 4253: 4251: 4247: 4243: 4239: 4231: 4221: 4219: 4215: 4211: 4206: 4204: 4200: 4196: 4192: 4188: 4184: 4180: 4179: 4174: 4170: 4166: 4152: 4148: 4138: 4125: 4117: 4112: 4102: 4097: 4087: 4084: 4081: 4076: 4066: 4061: 4051: 4046: 4036: 4031: 4016: 4013: 4000: 3995: 3985: 3980: 3970: 3967: 3964: 3959: 3949: 3944: 3934: 3929: 3919: 3914: 3904: 3901: 3893: 3891: 3887: 3877: 3864: 3855: 3848: 3844: 3836: 3832: 3827: 3823: 3820: 3812: 3798: 3789: 3786: 3783: 3780: 3777: 3773: 3758: 3753: 3745: 3741: 3728: 3714: 3691: 3679: 3675: 3667: 3663: 3658: 3654: 3651: 3643: 3619: 3611: 3603: 3595: 3582: 3570: 3565: 3547: 3534: 3522: 3518: 3510: 3506: 3501: 3497: 3494: 3485: 3467: 3454: 3436: 3357: 3334: 3322: 3318: 3310: 3306: 3301: 3297: 3294: 3286: 3246: 3232: 3228: 3226: 3210: 3202: 3198: 3197: 3192: 3191: 3186: 3181: 3179: 3167: 3159: 3151: 3148: 3139: 3137: 3133: 3129: 3127: 3126:angular speed 3123: 3119: 3115: 3110: 3108: 3096: 3091: 3087: 3083: 3077: 3074: 3068: 3057: 3047: 3042: 3039: 3035: 3031: 3026: 3025:of the body. 3024: 3017: 3010: 3006: 3001: 2999: 2987: 2984: 2973: 2966: 2962: 2954: 2950: 2945: 2941: 2938: 2929: 2927: 2923: 2919: 2915: 2911: 2901: 2899: 2894: 2889: 2884: 2882: 2876: 2863: 2857: 2834: 2820: 2819: 2815: 2811: 2807: 2797: 2795: 2789: 2776: 2753: 2730: 2722: 2716: 2688: 2684: 2680: 2631: 2613: 2605: 2597: 2589: 2583: 2555: 2509: 2504: 2491: 2483: 2477: 2454: 2448: 2425: 2417: 2411: 2383: 2381: 2377: 2373: 2352: 2344: 2325: 2308: 2299: 2269: 2266: 2253: 2218: 2210: 2204: 2201: 2177: 2166: 2161: 2140: 2134: 2126: 2111: 2108: 2102: 2099: 2075: 2067: 2063: 2057: 2053: 2049: 2043: 2040: 2016: 2008: 2004: 1998: 1994: 1990: 1984: 1981: 1957: 1949: 1945: 1939: 1935: 1931: 1906: 1901: 1897: 1888: 1884: 1880: 1855: 1850: 1846: 1837: 1833: 1829: 1804: 1799: 1795: 1786: 1782: 1778: 1750: 1748: 1744: 1740: 1722: 1718: 1714: 1711: 1708: 1699: 1686: 1678: 1675: 1662: 1660: 1656: 1651: 1635: 1612: 1599: 1597: 1587: 1585: 1581: 1577: 1557: 1550: 1547: 1542: 1536: 1531: 1530:perpendicular 1527: 1526:cross product 1511: 1504: 1498: 1494: 1469: 1466: 1462: 1437: 1422: 1393: 1392: 1391: 1388: 1375: 1372: 1369: 1366: 1363: 1360: 1355: 1351: 1347: 1344: 1341: 1328: 1320: 1307: 1305: 1301: 1297: 1296:torque vector 1293: 1289: 1285: 1284:torque vector 1281: 1277: 1273: 1272:cross product 1269: 1265: 1261: 1257: 1253: 1244: 1239: 1235:| | 1233: 1224: 1220:| | 1218: 1213: 1207: 1203: 1199: 1198: 1189: 1185: 1181: 1176: 1167: 1165: 1160: 1155: 1151: 1147: 1143: 1138: 1136: 1130: 1128: 1124: 1120: 1119: 1114: 1110: 1106: 1105: 1098: 1096: 1092: 1088: 1087:James Thomson 1084: 1083: 1079: 1075: 1069: 1059: 1057: 1053: 1049: 1041: 1037: 1036: 1032: 1006: 1002: 998: 994: 990: 986: 982: 970: 965: 963: 958: 956: 951: 950: 948: 947: 941: 931: 928: 923: 917: 916: 915: 914: 906: 903: 901: 898: 896: 893: 891: 888: 886: 883: 881: 878: 876: 873: 871: 868: 866: 863: 861: 858: 856: 853: 851: 848: 846: 843: 841: 838: 836: 833: 831: 828: 826: 823: 821: 818: 816: 813: 811: 808: 806: 803: 801: 798: 796: 793: 791: 788: 787: 780: 779: 772: 768: 764: 760: 757: 756: 752: 749: 747: 744: 742: 739: 737: 734: 730: 727: 726: 725: 722: 720: 717: 715: 712: 710: 707: 706: 702: 697: 696: 688: 685: 683: 680: 676: 673: 671: 668: 667: 666: 663: 661: 658: 656: 653: 651: 646: 643: 639: 636: 635: 631: 628: 625: 621: 617: 616: 612: 609: 607: 604: 602: 599: 597: 592: 590: 587: 585: 582: 580: 577: 576: 569: 568: 557: 554: 552: 549: 547: 544: 542: 539: 537: 534: 532: 529: 528: 526: 525: 520: 517: 516: 511: 510: 504: 503: 495: 492: 490: 487: 485: 482: 480: 477: 475: 472: 470: 467: 465: 462: 460: 456: 454: 451: 449: 445: 443: 440: 437: 433: 429: 427: 424: 422: 419: 417: 414: 412: 409: 405: 402: 400: 397: 396: 395: 392: 390: 387: 385: 382: 380: 377: 375: 372: 371: 364: 363: 355: 352: 350: 347: 345: 342: 340: 337: 335: 332: 330: 327: 325: 322: 320: 317: 316: 309: 308: 302: 299: 297: 294: 292: 289: 288: 286: 285: 281: 262: 259: 249: 243: 229: 228: 225: 222: 221: 217: 216: 195: 192: 178: 155: 153: 149: 145: 143: 136: 133:⋅inch, ozf⋅in 132: 128: 125: 119: 115: 113: 109: 106: 90: 83: 77: 72: 68: 64: 61: 57: 54: 50: 46: 43: 37: 32: 27: 22: 7358: 7342: 7318: 7302: 7276: 7266: 7256: 7237: 7226: 7225: 7220: 7201: 7191: 7181: 7159: 7149: 7094: 7083: 7026: 7016: 6944: 6928: 6925: 6921: 6917: 6905: 6880: 6879: 6875:angular jerk 6859: 6830: 6829: 6798: 6794:acceleration 6769: 6768: 6758: 6737: 6736: 6724: 6712: 6695: 6684: 6669: 6659: 6639: 6602: 6601: 6591: 6571: 6558:displacement 6551: 6545: 6539: 6528: 6502: 6482: 6467: 6451: 6444: 6334: 6293: 6287: 6272: 6247: 6243: 6237: 6226:. Retrieved 6206: 6186: 6161: 6136: 6117: 6111: 6084: 6078: 6069: 6063: 6052:. Retrieved 6038: 6024: 6014: 5995: 5990: 5972: 5968: 5959: 5937: 5917: 5910: 5894: 5889: 5798: 5750: 5712: 5672: 5443: 5427: 5419: 5411: 5403: 5388: 5381: 5374: 5364: 5315: 5310: 5305: 5301: 5299: 5250: 5247: 5177: 5004: 5000: 4948: 4938: 4934: 4932: 4781: 4774: 4764: 4762: 4750: 4747: 4589: 4582: 4579: 4422: 4419: 4299: 4296: 4254: 4245: 4241: 4237: 4227: 4217: 4213: 4207: 4178:newton-metre 4176: 4144: 4017: 4014: 3894: 3883: 3813: 3715: 3644: 3566: 3486: 3437: 3358: 3287: 3238: 3229: 3195: 3194: 3189: 3188: 3184: 3182: 3140: 3130: 3121: 3113: 3111: 3048: 3040: 3033: 3027: 3015: 3008: 3004: 3002: 2930: 2925: 2907: 2897: 2885: 2880: 2878: 2822: 2813: 2809: 2803: 2790: 2678: 2632: 2556: 2508:product rule 2505: 2384: 2379: 2371: 2331: 2162: 1751: 1742: 1700: 1663: 1658: 1654: 1652: 1600: 1593: 1584:§ Units 1580:newton-metre 1573: 1540: 1534: 1524:denotes the 1496: 1492: 1464: 1389: 1308: 1303: 1295: 1291: 1287: 1283: 1264:pseudovector 1249: 1242: 1237: 1231: 1222: 1216: 1211: 1205: 1201: 1196: 1195: 1187: 1183: 1179: 1149: 1145: 1139: 1134: 1132: 1116: 1112: 1102: 1100: 1094: 1073: 1071: 1054:applied two 1033: 1031:Greek letter 1004: 1000: 988: 978: 769: / 765: / 763:displacement 761: / 622: / 584:Displacement 522: 513: 507:Formulations 494:Virtual work 483: 434: / 374:Acceleration 367:Fundamentals 112:SI unit 104: 62: 55: 48: 44: 6615:solid angle 5998:pp. 90–99: 5695:dynamometer 5661:) that the 5186:5252.113122 4933:The radius 4171:. Official 3193:is torque, 3138:, given by 2924:, the work 2908:The law of 2883:is torque. 2794:integrating 1241:| sin 905:von Neumann 572:Core topics 122:Other units 7385:Categories 7350:m s, N m s 7326:m s,  7272:Lagrangian 7197:Lagrangian 6437:Dimensions 6425:Dimensions 6250:(9): 820. 6228:2020-05-29 6054:2007-09-08 6028:. p.  5881:References 5771:gear ratio 5763:drivetrain 5663:crankshaft 5268:moment arm 5082:horsepower 4759:Derivation 4585:horsepower 4240:is power, 4218:inch-pound 4214:foot-pound 4210:pound foot 3187:is power, 1300:rigid body 1066:See also: 993:rotational 840:d'Alembert 820:Maupertuis 783:Scientists 665:Rigid body 339:Kinematics 7366:ms,  6985:˙ 6708:frequency 6635:frequency 6190:From the 6103:922464227 5747:chainring 5719:sprockets 5625:× 5607:− 5579:τ 5564:τ 5477:τ 5323:τ 5258:τ 5209:π 5189:≈ 5141:⋅ 5130:≈ 5106:⋅ 5095:⋅ 5077:⋅ 5062:⋅ 5050:⋅ 5042:⋅ 5039:π 5033:⋅ 4978:⋅ 4975:π 4969:⋅ 4937:and time 4907:⋅ 4877:⋅ 4869:⋅ 4860:⋅ 4813:⋅ 4689:ν 4685:⋅ 4654:π 4647:⋅ 4634:⋅ 4619:τ 4510:ν 4506:⋅ 4475:π 4468:⋅ 4458:⋅ 4449:τ 4384:ν 4380:⋅ 4349:π 4342:⋅ 4332:⋅ 4323:τ 4283:ν 4280:⋅ 4277:π 4271:⋅ 4268:τ 4147:dimension 4103:× 4085:… 4067:× 4037:× 3986:× 3968:… 3950:× 3920:× 3902:τ 3865:θ 3856:τ 3845:θ 3833:θ 3828:∫ 3799:θ 3790:τ 3781:⁡ 3769:θ 3750:τ 3738:θ 3729:⋅ 3725:τ 3701:θ 3692:⋅ 3688:τ 3676:θ 3664:θ 3659:∫ 3629:θ 3620:⋅ 3612:× 3596:× 3592:θ 3583:⋅ 3548:× 3544:θ 3535:⋅ 3502:∫ 3468:× 3464:θ 3400:θ 3335:⋅ 3302:∫ 3211:⋅ 3164:ω 3160:⋅ 3156:τ 3088:ω 2985:θ 2974:τ 2963:θ 2951:θ 2946:∫ 2847:τ 2759:τ 2731:× 2614:× 2598:× 2484:× 2426:× 2353:× 2309:˙ 2306:ω 2296:α 2274:α 2263:τ 2235:^ 2219:× 2215:ω 2194:^ 2145:ω 2135:× 2131:ω 2121:˙ 2118:ω 2092:^ 2064:ω 2033:^ 2005:ω 1974:^ 1946:ω 1926:^ 1907:˙ 1898:ω 1875:^ 1856:˙ 1847:ω 1824:^ 1805:˙ 1796:ω 1761:τ 1683:ω 1609:τ 1558:θ 1512:× 1423:τ 1402:τ 1376:θ 1373:⁡ 1356:⊥ 1342:τ 1338:⟹ 1329:× 1317:τ 1256:lever arm 1072:The term 1016:τ 985:mechanics 885:Liouville 767:frequency 687:Vibration 404:potential 329:Continuum 324:Celestial 301:Textbooks 193:− 152:Dimension 91:τ 47:, torque 7401:Rotation 7310:m s, N s 7133:J s 7129:m s 7104:m s 7065:m s 7036:m s 7012:momentum 6665:velocity 6535:position 6524:distance 6478:absement 6403:SI units 6359:Archived 6324:Archived 6219:Archived 6195:Archived 6048:Archived 6022:(1811). 6003:Archived 5980:Archived 5977:Web link 5956:"torque" 5807:See also 5801:gear box 5759:crankset 5743:cranking 5725:, and a 5715:bicycles 5178:because 4151:distance 1532:both to 1288:position 1214:= | 1082:torquēre 940:Category 865:Hamilton 850:Lagrange 845:Clairaut 810:Horrocks 771:velocity 741:Pendulum 729:reactive 701:Rotation 670:dynamics 620:Inertial 606:Friction 489:Velocity 464:Momentum 344:Kinetics 334:Dynamics 312:Branches 296:Timeline 71:friction 7338:rotatum 7117:actergy 7053:actergy 7022:impulse 6942::  6693::  6623:rad, sr 6252:Bibcode 6168:267–268 5962:. 1933. 5844:Statics 5755:spindle 5739:cyclist 5393:precess 4185:to the 3811:giving 3199:is the 3124:is its 3116:is the 2898:rotatum 2893:rotātus 2810:rotatum 2806:physics 2681:to the 1737:is the 1576:SI unit 1538:and to 1459:is the 1274:of the 1125:" and " 1118:torsion 1062:History 1052:newtons 991:is the 981:physics 900:Koopman 860:Poisson 855:Laplace 800:Huygens 795:Galileo 640: ( 579:Damping 432:Inertia 426:Impulse 399:kinetic 349:Statics 319:Applied 291:History 67:gravity 7391:Torque 7252:energy 7233:moment 7221:torque 7177:energy 7155:weight 7127:  7109:action 7102:  7063:  7045:action 7034:  7005:  6952:  6924:⟩ = ∑ 6888:  6839:  6778:  6300:  6174:  6124:  6101:  6091:  5901:  5814:Moment 5779:output 5708:clutch 5677:: the 5675:engine 5137:torque 5029:torque 4965:torque 4903:torque 4847:torque 4546:  4199:scalar 4195:energy 4191:vector 4165:energy 3203:, and 3183:where 3112:where 3003:where 2977:  2879:where 2814:torque 2370:where 2287:where 2165:vector 1701:where 1653:where 1390:where 1266:; for 1150:moment 1135:torque 1127:moment 1123:couple 1113:torque 1109:motion 1076:(from 1074:torque 1056:metres 1040:moment 1005:moment 989:torque 938:  890:Appell 875:Cauchy 870:Jacobi 815:Halley 805:Newton 790:Kepler 642:linear 638:Motion 484:Torque 459:Moment 394:Energy 384:Couple 146:kg⋅m⋅s 58:, and 29:Torque 7406:Force 7354:power 7314:power 7284:m s, 7245:m s, 7209:m s, 7170:m s, 7145:force 6655:speed 6587:angle 6222:(PDF) 6215:(PDF) 5775:input 5767:wheel 5735:frame 5723:chain 5679:power 5380:and − 5344:force 5279:force 5017:power 4957:power 4809:force 4794:power 4777:power 4187:joule 4141:Units 3235:Proof 3132:Power 3032:that 2914:force 2890:word 2888:Latin 2679:equal 1292:force 1104:force 1078:Latin 997:force 895:Gibbs 880:Routh 835:Euler 474:Speed 469:Space 411:Force 42:force 7298:yank 7262:work 7187:work 6901:mass 6855:jerk 6567:area 6498:time 6463:time 6298:ISBN 6172:ISBN 6122:ISBN 6099:OCLC 6089:ISBN 5899:ISBN 5737:. A 5701:and 5657:(in 5416:and 5304:and 4822:time 4169:work 3435:as 3136:time 3014:and 2818:time 2378:and 1741:and 1574:The 1290:and 1048:axis 983:and 479:Time 442:Mass 69:and 7332:MLT 7247:N m 7215:MLT 7168:kg 7073:MLT 7069:J s 7040:N s 6886:rad 6864:m s 6837:rad 6804:m s 6776:rad 6700:m s 6675:m s 6609:rad 6488:m s 6338:on 6260:doi 5691:rpm 5659:rpm 5554:is 5430:= 0 5422:= 0 5414:= 0 5201:000 5157:252 5145:RPM 5115:min 5110:lbf 5092:000 5072:min 5067:lbf 4753:BTU 4728:000 4167:or 3778:cos 2804:In 2324:. 1370:sin 1156:'s 1035:tau 979:In 138:In 131:lbf 116:N⋅m 7387:: 7364:kg 7356:: 7348:kg 7340:: 7324:kg 7316:: 7308:kg 7300:: 7292:MT 7282:kg 7274:: 7270:, 7264:: 7260:, 7254:: 7243:kg 7235:: 7231:, 7223:: 7207:kg 7199:: 7195:, 7189:: 7185:, 7179:: 7157:: 7153:, 7147:: 7139:MT 7131:, 7125:kg 7119:: 7115:, 7113:𝒮 7111:: 7100:kg 7091:: 7087:, 7081:: 7067:, 7061:kg 7055:: 7051:, 7049:𝒮 7047:: 7038:, 7032:kg 7024:: 7020:, 7014:: 7003:kg 6970:: 6964:MT 6950:kg 6936:ML 6911:kg 6903:: 6877:: 6857:: 6827:: 6796:: 6766:: 6762:, 6756:: 6749:Hz 6747:, 6734:: 6729:, 6722:: 6717:, 6710:: 6682:: 6667:: 6663:, 6657:: 6650:Hz 6648:, 6637:: 6617:: 6599:: 6595:, 6589:: 6569:: 6556:, 6549:, 6543:, 6537:: 6532:, 6526:: 6500:: 6480:: 6465:: 6258:. 6248:47 6246:. 6170:. 6150:^ 6097:. 6046:. 6030:67 5958:. 5947:^ 5927:^ 5710:. 5195:33 5102:ft 5086:33 5057:ft 4779:: 4722:33 4543:60 4173:SI 3227:. 3128:. 2808:, 2554:, 2167:is 1598:, 1586:. 1204:× 1200:= 1162:. 1137:. 987:, 129:, 103:, 51:, 7368:W 7359:P 7343:P 7328:W 7319:P 7303:Y 7286:J 7277:L 7267:W 7257:E 7238:M 7227:τ 7211:J 7202:L 7192:W 7182:E 7172:N 7163:g 7160:F 7150:F 7121:ℵ 7095:L 7093:Δ 7084:L 7057:ℵ 7027:J 7017:p 7007:s 6982:m 6954:m 6945:I 6929:x 6926:m 6922:x 6920:⟨ 6918:M 6906:m 6897:M 6890:s 6881:ζ 6869:T 6860:j 6849:T 6841:s 6831:α 6820:s 6810:T 6799:a 6788:T 6780:s 6770:ω 6759:ω 6745:s 6738:n 6725:n 6713:f 6703:T 6696:h 6688:, 6685:ν 6670:v 6660:v 6646:s 6640:f 6630:T 6619:Ω 6603:θ 6592:θ 6581:1 6577:m 6572:A 6562:m 6552:x 6546:s 6540:r 6529:d 6518:1 6508:s 6503:t 6494:T 6483:A 6473:s 6468:t 6459:T 6452:θ 6445:θ 6440:1 6434:L 6431:L 6428:1 6392:e 6385:t 6378:v 6342:. 6306:. 6266:. 6262:: 6254:: 6231:. 6180:. 6144:. 6130:. 6105:. 6057:. 6032:. 6009:. 5905:. 5751:π 5629:F 5622:) 5617:1 5612:r 5602:2 5597:r 5592:( 5589:+ 5584:1 5574:= 5569:2 5540:2 5535:r 5511:1 5506:r 5482:1 5454:F 5428:τ 5426:Σ 5420:V 5418:Σ 5412:H 5410:Σ 5395:. 5389:L 5385:g 5382:F 5378:g 5375:F 5351:. 5348:) 5340:( 5337:) 5329:( 5326:= 5311:r 5306:F 5302:r 5286:. 5283:) 5275:( 5272:) 5264:( 5261:= 5215:. 5206:2 5198:, 5154:, 5151:5 5089:, 5036:2 5025:= 4986:. 4972:2 4961:= 4944:π 4939:t 4935:r 4915:. 4899:= 4887:t 4883:) 4880:t 4866:r 4863:( 4856:) 4850:r 4841:( 4834:= 4802:= 4734:. 4725:, 4714:n 4711:i 4708:m 4704:/ 4700:v 4697:e 4694:r 4679:v 4676:e 4673:r 4669:/ 4665:d 4662:a 4659:r 4650:2 4641:t 4638:f 4630:f 4627:b 4624:l 4612:= 4606:p 4603:h 4598:P 4563:n 4560:i 4557:m 4553:/ 4549:s 4535:n 4532:i 4529:m 4525:/ 4521:v 4518:e 4515:r 4500:v 4497:e 4494:r 4490:/ 4486:d 4483:a 4480:r 4471:2 4462:m 4454:N 4442:= 4436:W 4431:P 4403:s 4399:/ 4395:v 4392:e 4389:r 4374:v 4371:e 4368:r 4364:/ 4360:d 4357:a 4354:r 4345:2 4336:m 4328:N 4319:= 4313:W 4308:P 4274:2 4265:= 4262:P 4248:( 4246:ν 4242:τ 4238:P 4234:π 4161:M 4158:L 4155:T 4126:. 4122:0 4118:= 4113:N 4108:F 4098:N 4093:r 4088:+ 4082:+ 4077:2 4072:F 4062:2 4057:r 4052:+ 4047:1 4042:F 4032:1 4027:r 4001:. 3996:N 3991:F 3981:N 3976:r 3971:+ 3965:+ 3960:2 3955:F 3945:2 3940:r 3935:+ 3930:1 3925:F 3915:1 3910:r 3905:= 3861:d 3849:2 3837:1 3824:= 3821:W 3795:d 3787:= 3784:0 3774:| 3764:d 3759:| 3754:| 3746:| 3742:= 3733:d 3696:d 3680:2 3668:1 3655:= 3652:W 3624:d 3616:F 3608:r 3604:= 3600:r 3587:d 3579:F 3552:r 3539:d 3531:F 3523:2 3519:s 3511:1 3507:s 3498:= 3495:W 3472:r 3459:d 3455:= 3451:s 3446:d 3422:r 3395:d 3373:s 3368:d 3344:s 3339:d 3331:F 3323:2 3319:s 3311:1 3307:s 3298:= 3295:W 3273:s 3268:d 3247:s 3196:ω 3190:τ 3185:P 3168:, 3152:= 3149:P 3122:ω 3114:I 3097:, 3092:2 3084:I 3078:2 3075:1 3069:= 3063:r 3058:E 3044:r 3041:E 3034:W 3019:2 3016:θ 3012:1 3009:θ 3005:τ 2988:, 2981:d 2967:2 2955:1 2942:= 2939:W 2926:W 2881:τ 2864:, 2858:t 2854:d 2842:d 2835:= 2831:P 2777:. 2771:t 2768:e 2765:n 2754:= 2748:t 2745:e 2742:n 2736:F 2727:r 2723:= 2717:t 2713:d 2706:L 2701:d 2664:v 2642:p 2618:p 2610:v 2606:+ 2602:F 2594:r 2590:= 2584:t 2580:d 2573:L 2568:d 2541:v 2519:F 2492:. 2488:p 2478:t 2474:d 2467:r 2462:d 2455:+ 2449:t 2445:d 2438:p 2433:d 2422:r 2418:= 2412:t 2408:d 2401:L 2396:d 2380:r 2372:p 2357:p 2349:r 2345:= 2341:L 2300:= 2270:I 2267:= 2230:i 2226:e 2211:= 2205:t 2202:d 2189:i 2185:e 2178:d 2149:) 2141:I 2138:( 2127:+ 2112:I 2109:= 2103:t 2100:d 2087:3 2083:e 2076:d 2068:3 2058:3 2054:I 2050:+ 2044:t 2041:d 2028:2 2024:e 2017:d 2009:2 1999:2 1995:I 1991:+ 1985:t 1982:d 1969:1 1965:e 1958:d 1950:1 1940:1 1936:I 1932:+ 1921:3 1917:e 1902:3 1889:3 1885:I 1881:+ 1870:2 1866:e 1851:2 1838:2 1834:I 1830:+ 1819:1 1815:e 1800:1 1787:1 1783:I 1779:= 1773:t 1770:e 1767:n 1743:ω 1723:2 1719:r 1715:m 1712:= 1709:I 1687:, 1679:I 1676:= 1672:L 1659:t 1655:L 1636:t 1632:d 1625:L 1620:d 1613:= 1548:, 1541:F 1535:r 1500:⊥ 1497:F 1493:F 1478:F 1465:r 1446:r 1367:F 1364:r 1361:= 1352:F 1348:r 1345:= 1333:F 1325:r 1321:= 1243:θ 1238:F 1232:r 1226:⊥ 1223:F 1217:r 1212:τ 1206:F 1202:r 1197:τ 1191:⊥ 1188:F 1184:F 1180:r 1044:M 968:e 961:t 954:v 644:) 263:t 260:d 254:p 250:d 244:= 239:F 196:2 187:T 179:2 173:L 165:M 105:M 63:L 56:p 49:τ 45:F 23:.

Index

Torque (disambiguation)

force
linear momentum
angular momentum
gravity
friction
SI unit
pound-force-feet
lbf
SI base units
Dimension
Classical mechanics
Second law of motion
History
Timeline
Textbooks
Applied
Celestial
Continuum
Dynamics
Kinematics
Kinetics
Statics
Statistical mechanics
Acceleration
Angular momentum
Couple
D'Alembert's principle
Energy

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