February 28, 2017

Homework Help: Physics

Posted by Mia on Tuesday, November 10, 2009 at 9:00pm.

A person holds an object of mass m = 4.2 kg on the palm of the hand with the arm stretched. Use the torque equilibrium equation to determine the magnitude of the force F exerted by the biceps muscle when a = 25 cm, b = (0.15 · a), and the angle θ = 75°. Neglect the weight of the lower arm

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