# physical

posted by
**Dan** on
.

to strengthen his arm and chest muscles, an 82-kg athlete who is 2.0 m tall is doing push ups. his center of mass is 1.15 m from the bottom of his feet, and the centers of his palms are 30.0cm from the top of his head. find the force that the floor exerts on each of is feet and on each hand, assuming that both feet exert the same force and both palms do likewise.