A body is moved along a closed loop. Is the work done in movingthe the body necessarily zero ? If not, state the condition under which work done over a closed path is always zero.

A body is moved along a closed loop. Is the work done in movingthe the

1.	A body is moved along a closed loop. Is the work done in movingthe the body necessarily zero ? If not, state the condition under which work done over a closed path is always zero.
Answer» Solution :No, work DONE in MOVING along a closed loop is not necessarily zero. It is zero only when all the FORCES are CONSERVATIVE forces.