Question

Why is the moment of force greater when it is applied at a farther distance from the axis of rotation?

Answer 1

Answer:

The linear (translational) motion and distance covered are maximum for the point that is farthest from the centre of rotation, i.e. the free end. This is pure geometry of circle. Thus the force is more effective when applied at a point farther from the centre of rotation. That's why it produces more torque

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Answer 2

Moment of force is directly proportional to the perpendicular distance from the action of rotatory so on increasing distance the moment of force increase .