# Rotational equilibrium: Force and its moment (torque)

The figure shows a person whose weight is W = 644 N doing push-ups. Find the normal force exerted by the floor on (a)each hand and (b)each foot, assuming that the person holds this position.

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Push Up

The figure shows a person whose weight is W = 644 N doing push-ups. Find the normal force exerted by the floor on (a)each hand and (b)each foot, assuming that the person holds this position.

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#### Solution Summary

The rotational equilibrium is considered to calculate the force of the hand and foot of a person when it makes push-ups.

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