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What is Torque?
Torque is the measure of force that causes an object to rotate about an axes. Just like how force causes an object to accelerate i linear kinematics, torque is what causes an object to acquire angular acceleration.
What is Moment?
In physics, moment of force is a measure of its tendency to cause a body to rotate about a specific point or axis.
Difference Between Torque and Moment
| Torque | Moment |
| It is the measurement of the turning force of an object | It is the measurement of the perpendicular distance from the point of rotation to the force’s line of action |
| The symbol of torque is \(\begin{array}{l}\tau\end{array} \) and SI unit is Nm/revolution |
The symbol of the moment is M and SI unit if NM |
| It is a movement-related force | It is a static force |
| Torque is used to measure the coupling | The moment is not used for this purpose |
| It is used where there is an availability of a pivot and rotation | It is produced by any lateral force and used in non-rotational events |
| It is referred to the nature of the force to rotate the object in a pivot. | It is referred to the nature of the force to move the object. |
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| Magnetic Moment | Torque on Current Loop |
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