What is the size of the force a person exerts on Earth compared to the force Earth exerts on that person as they stand on its surface?
A) zero because they do not exert a force on Earth
B) very small because their mass is small compared to that of Earth
C) twice as large because of Earth's rotation
D) the same

Question

Quizplus · Accepted Answer

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. This means that the force a person exerts on Earth is exactly the same as the force Earth exerts on that person.

What Is the Size of the Force a Person Exerts