For this situation, I push on a heavy chair. Suppose I push lightly on the chair, and the chair doesn't move at all. Then the strength of the force the chair exerts on me is

Question

Quizplus · Accepted Answer

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. When I push on the chair, the chair exerts an equal and opposite force on me. Therefore, the strength of the force the chair exerts on me is equal to the force I exert on the chair. If the chair didn't move at all, it means that the forces are balanced, so the answer is B.

For This Situation, I Push on a Heavy Chair