Question

To strengthen his arm and chest muscles, an 85.0kg athlete 2.00m tall is doing a series of push-ups . His center of mass is 1.15m from the bottom of his feet, and the centers of his palms are 30.0cm from the top of his head. He is flat no angles to concider, Find the force that the floor exerts on each of his feet and on each hand, assuming that both feet exert the same force and both palms do likewise.