Question

according to newton's third law of motion, when a hammer strikes and exerts force to push it into a piece of wood, the nail

A. creates a friction with the hammer
B. exerts an equal force on the wood
C. exerts an equal or opposite force on the hammer
D. moves at a constant speed

Answer 1

According to newton's third law of motion, when a hammer strikes and exerts force to push it into a piece of wood, the nail C. exerts an equal or opposite force on the hammer. The third law of motion states that every action has an equal BUT opposite reaction. This means that the nail exerts the same force the hammer exerts on it.