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July 25, 2014

Homework Help: physics!

Posted by monica on Wednesday, February 2, 2011 at 11:56pm.

A student is about to do a push-up. Her
center of gravity lies directly above P on the
floor, which is 1.1 m from her feet and 0.4 m
from her hands.
If her mass is 55 kg, what is the force exerted by the floor on her hands? The acceleration of gravity is 9.81 m/s
2
.

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