Answered: Triceps muscle Free-body diagram Biceps…

Triceps muscle Free-body diagram Biceps muscle PHYSICS FB m, = 4.0 kg CG W. m, = 2.5 kg CG 4.0 cm Wa 16 cm 38 cm (a) CG FB W. CG Wa (b)

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Question

We analyzed the biceps muscle example with the angle between forearm and upper arm set at 90º . Using the same numbers as in figure shown , find the force exerted by the biceps muscle when the angle is 120º and the forearm is in a downward position.