Question

What is a moment of force and moment of the couple?

Answer 1

Moment of force:

1. The torque, or alternatively the moment, is another name for the moment of force.
2. It quantifies a force's proclivity to rotate the body of application about a certain particular rotation's axis.
3. Since force is a vector quantity, as has been the radial distance seen between force's center of application and the pivot, this same moment of force is computed by calculating the cross product of the two.

Moment of the couple:

1. The couple or pair is a pseudo-vector quantity that contains magnitude and direction.
2. In the case of the moment of the couple, the net force must be zero and always have two equal forces.
3. The magnitude of such net coupling is calculated by subtracting the net torque from either the circular (clockwise or anti-clockwise) moments acting on every arbitrary center of rotation.