As a ball falls, the action force is the pull of the Earth's mass on the ball. The reaction force is the
A) pull of the ball's mass on the Earth.
B) air resistance acting against the ball.
C) acceleration of the ball.
D) none of these

Question

Quizplus · Accepted Answer

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. When the Earth pulls on the ball (action force), the ball pulls back on the Earth with an equal and opposite force (reaction force), which is the pull of the ball's mass on the Earth.

As a Ball Falls, the Action Force Is the Pull