Question

What does the moment of the force measure?

(a) The tendency of rotation of the body along any axis

(b) The moment of inertia of the body about any axis

(c) The couple moment produced by the single force acting on the body

(d) The total work is done on the body by the force

I have been asked this question during an online exam.

This question is from Moment of a Force topic in division Force System Resultants of Engineering Mechanics

Answer 1

The correct option is (a) The tendency of rotation of the body along any axis

For explanation I would say: The moment of the force measures the tendency of the rotation of the body along any axis, whether it be the centroid axis of the body or any of the outside axis. The couple moment is produced by two forces, not by a single force. The total work done is the dot product of force and distance not the cross.