Home SCIENCE 3D Animation Torque Basics Explained

3D Animation Torque Basics Explained


In physics and mechanics, torque is the rotational equivalent of linear force It is also referred to as the moment, moment of force, rotational force or turning effect, depending on the field of study. The concept originated with the studies by Archimedes of the usage of levers.

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Just as a linear force is a push or a pull, a torque can be thought of as a twist to an object around a specific axis.Torque basics explained, in this video we quickly learn what is torque and how it is used with worked examples and gears to illustrate the principle in under 2 minutes.

Imagine you’re tightening a nut with a spanner. Using a short spanner takes a lot of effort to tighten the nut. Using a longer spanner takes less effort to tighten the nut to the same extent. The longer spanner has more torque.In three dimensions, the torque is a pseudovector; for point particles, it is given by the cross product of the position vector (distance vector) and the force vector.


The magnitude of torque of a rigid body depends on three quantities: the force applied, the lever arm vector 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.

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