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

Question

Quizplus · Accepted Answer

According to Newton's third law of motion, for every action, there is an equal and opposite reaction. In this case, while the Earth exerts a gravitational force on the ball (action force), the ball also exerts a gravitational force on the Earth (reaction force), which is the pull of the ball's mass on Earth.

As a Ball Falls, the Action Force Is the Pull