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To strengthen his arm and chest muscles, an 81.0 kg athlete 2.00 m tall is doing...

To strengthen his arm and chest muscles, an 81.0 kg athlete 2.00 m tall is doing a series of push-ups. His center of mass is 1.20 m from the bottom of his feet, and the centers of his palms are 30.0 cm from the top of his head. 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. A)Find the force that the floor exerts on each of his feet, assuming that both feet exert the same force. B) Find the force that the floor exerts on each of his hand, both palms exert the same force.

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