Find out the normal force exerted by the floor
A person (weight W = 578 N, L1 = 0.835 m, L2 = 0.399 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position.
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A ceiling fan is turned on and a net torque of 2.1 N · m is applied to the blades. The blades have a total moment of inertia of 0.24 kg · m2. What is the angular acceleration of the blades?
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