Question: 1. How much force must be produced by the biceps brachii, attaching at 90 to the radius at 3 cm from the center of rotation
1. How much force must be produced by the biceps brachii, attaching at 90 to the radius at 3 cm from the center of rotation at the elbow joint, to support a weight of 70 N held in the hand at a distance of 30 cm from the elbow joint? (Neglect the weight of the forearm and hand, and neglect any action of other muscles.) (2 pts) (round to the nearest whole number) Fm 1 90" cm 70 N 30 cm
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