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10-11-2022
Physics

Answered

A man holds a 159-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of
the flexor muscle force M, which is applied perpendicular to the forearm. The forearm weighs 23.4 N and has a center of gravity as
indicated. Find (a) the magnitude of M and the (b) magnitude and (c) direction (as a positive angle counterclockwise from horizontal) of
the force applied by the upper arm bone to the forearm at the elbow joint.

A man holds a 159N ball in his hand with the forearm horizontal see the figure He can support the ball in this position because of the flexor muscle force M whi class=

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