For this situation, I push on a heavy chair.
-Suppose I push moderately on the chair,and this time the chair does move.Then the strength of the force the chair exerts on me is
A)less than the force I exert on the chair.
B)equal to the force I exert on the chair.
C)greater than the force I exert on the chair.
D)zero.

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 with a moderate force, the chair moves because there is a force of the same magnitude and direction acting back on me, which is provided by the chair. Therefore, the strength of the force the chair exerts on me is equal to the force I exert on the chair.

For This Situation, I Push on a Heavy Chair