For a falling ball the action force is the pull of Earth on the ball.The reaction force is the
A)air resistance acting against the ball.
B)acceleration of the ball.
C)pull of the ball on Earth.
D)nonexistent.
E)none of the above

Question

Quizplus · Accepted Answer

According to Newton's Third Law, for every action there is an equal and opposite reaction. In this case, the action force is the pull of Earth on the ball, and the reaction force is the pull of the ball on Earth. Therefore, the correct answer is choice C. The other options, air resistance and acceleration of the ball, are not the reaction forces to the action force of Earth's pull on the ball.

For a Falling Ball the Action Force Is the Pull