The Earth pulls on the moon. Similarly the moon pulls on the Earth, evidence that
A) larger objects pull harder.
B) the earth is larger so its pull is larger.
C) the moon is smaller so its pull is smaller.
D) these two pulls comprise an action-reaction pair.

Question

Quizplus · Accepted Answer

This is an example of Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. The Earth pulling on the moon and the moon pulling on the Earth are equal in magnitude but opposite in direction, making them an action-reaction pair.

The Earth Pulls on the Moon