What are the conditions under which a force does no work?

Asked by Topperlearning User | 4th Jul, 2014, 12:50: PM

Expert Answer:

A force does no work when
  1. the displacement is zero,
  2. the displacement is perpendicular to the direction of the force, and
  3. the conservative force moves a body over a closed path.

Answered by  | 4th Jul, 2014, 02:50: PM