A rectangular loop is acted upon by two forces of same magnitude but opposite directions. The net force acting on the loop is

the net force on the loop is

the net force on the loop is

The net force acting is not zero on

The net force acting is not zero on

A body is acted upon by two forces each of magnitude F, but in opposite directions. State the effect of the forces if (a) both forces act at the same point of the body. (b) the two forces act at two different points of the body at a separation?