As a Basketball Player Starts to Jump for a Rebound,he

Multiple Choice

As a basketball player starts to jump for a rebound,he begins to move upward faster and faster until he leaves the floor.During this time that he is in contact with the floor,the force of the floor on his shoes is:

A) bigger than his weight.
B) equal in magnitude and opposite in direction to his weight.
C) less than his weight.
D) zero.