When a ball bounces what action and reaction forces do the ball and the ground exert?

When a ball bounces, there are two main action and reaction forces involved:

1. Ball on the ground: When the ball hits the ground, it exerts a downward force on the ground. This force is called the action force. According to Newton's third law of motion, the ground exerts an equal and opposite force on the ball, known as the reaction force. This reaction force propels the ball upward.

2. Ground on the ball: At the same time, the ground exerts an upward force on the ball, which is the action force. According to Newton's third law of motion, the ball exerts an equal and opposite force on the ground, known as the reaction force. This reaction force causes an indentation or compression in the ground, which helps the ball to bounce back up.

Overall, the action and reaction forces between the ball and the ground enable the ball to bounce off the ground.