Question

Is it possible that a body to be in accelerated motion under a force acting on the body, yet no work is being done by the force? Explain your answer giving a suitable example?

Answer 1

yes it is possible that a body can be in accelerated motion under a force acting on a body at no work is done...

this is possible when a body is moving in a circular path as the body has centripetal acceleration directed along the radius of circular path and it is moving in circular path ..

so the displacement is tangential to the radius then theta will be 90° and the work done will be zero but it will be in accelerated motion

hope it helped you

Answer 2

Yes.

Example: circular motion , coming back to the same place