An 80-kg man on ice skates pushes a 40-kg boy,also on skates,with a force of 100 N.The force exerted by the boy on the man is
A)200 N
B)100 N
C)50 N
D)40 N
E)zero unless the boy pushes back

Question

Quizplus · Accepted Answer

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. Therefore, if the man exerts a force of 100 N on the boy, the boy exerts a force of 100 N on the man in the opposite direction.

An 80-Kg Man on Ice Skates Pushes a 40-Kg Boy,also