The work done against friction in moving a body from A to B is 200 J. If the body is again brought back to A along the same path, the total work done for the trip against friction is

The work done against friction in moving a body from A to B is 200 J.

1.	The work done against friction in moving a body from A to B is 200 J. If the body is again brought back to A along the same path, the total work done for the trip against friction is
Answer» 0 J 400 J 200 J 800 J Answer :B