A karate chop delivers a blow of 3000 N to a board that breaks.The force that acts on the hand during this event is
A)zero.
B)1500 N.
C)3000 N.
D)6000 N.

Question

Quizplus · Accepted Answer

According to Newton's Third Law, for every action there is an equal and opposite reaction. In this case, the board exerts a force of 3000 N on the karate chop, and therefore the karate chop exerts an equal and opposite force of 3000 N on the board. The force that acts on the hand is also 3000 N, as it is the force required to break the board. Therefore, the correct answer is C) 3000 N.

A Karate Chop Delivers a Blow of 3000 N to a Board