A jumper who weighs 600 N presses down on the ground with a force of 700 N and rises into the air as a result.The magnitude of the force the ground exerted on the jumper was
A)100 N.
B)600 N.
C)700 N.
D)1300 N.

Question

Quizplus · Accepted Answer

According to Newton's third law of motion, for every action (force) there is an equal and opposite reaction (force). In this case, the jumper exerts a force of 700 N on the ground, and the ground exerts an equal and opposite force of 700 N on the jumper, causing them to rise into the air. Therefore, the magnitude of the force the ground exerted on the jumper was 700 N.

A Jumper Who Weighs 600 N Presses Down on the Ground