A ball falls vertically and bounces on the ground . The following statements are about the focus acting while the balls is in contact with the ground. Which statement is correct ?

• The force that the ball exerts on the ground is always equal in magnitude and opposite in the direction to the force the ground exerts on the ball
• The force that the ball exerts on the ground is always greater than the weight of ball
• None of these
• The force that the ball exerts on the ground is always equal to the weight of the ball

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