From Newtons 3^{rd} law, action and reaction are equal but opposite.

The box exerts an equal force on the bat.

You swing a bat and hit a heavy box with a force of 1500 N. The force the box exerts on the bat is

A. less than 1500 N if the box moves.

B. greater than 1500 N if the box moves.

C. greater than 1500 N if the bat bounces back.

D. exactly 1500 N only if the box does not move.

E. exactly 1500 N whether or not the box moves.