A body of weight w rests on the surface of Earth.What force does the body exert on Earth? (ignore Earth's rotation)
A)w
B)greater than w
C)less than w
D)9.81w
E)zero

Question

Quizplus · Accepted Answer

According to Newton's third law of motion, every action has an equal and opposite reaction. Therefore, if a body exerts a force equal to its weight (w) on the Earth, the Earth exerts an equal force (w) back on the body.

A Body of Weight W Rests on the Surface of Earth.What