Question

Define torque and work done by torque

Answer 1

Torque is defined as the moment of force i.e. the rotating effect produced by a given force. It is essentially the rotational analogue of force. Work is dot product of Force and Distance. ... Torque does work over an angular distance whereas Work is to define linear motion.

Work done by a torque can be calculated by taking an analogy from work done by force. Work done by force is calculated as the dot product of force and displacement of point of application of force. ... This force will produce a torque about the axis of rotation: \vec \tau = \vec r \times \vec F. τ =r ×F .

Answer 2

$\huge\bf\boxed {ANSWER}$

Torque is the measure of the force that can cause an object to rotate about an axis. Force is what causes an object to accelerate in linear kinematics. Similarly, torque is what causes an angular acceleration. Hence, torque can be defined as the rotational equivalent of linear force. The point where the object rotates is called the axis of rotation. In physics, torque is simply the tendency of a force to turn or twist. Different terminologies such as moment or moment of force are interchangeably used to describe torque.

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