Question

VR is not affected by friction. Why??​

Answer 1

Answer:

VR is velocity ratio . Velocity ratio is the ratio of displacement of effort to load . Here the displacement takes place. Friction cannot reduce the displacement as it is only a force which is of opposing nature and thus VR is unaffected by friction

Explanation:

please do follow me.

Answer 2

Explanation:

VR is velocity ratio . Velocity ratio is the ratio of displacement of effort to load . Here the displacement takes place. Friction cannot reduce the displacement as it is only a force which is of opposing nature and thus VR is unaffected by friction.