A man holds a 180-N ball in his hand, with the forearm horizontal (see the figur

Question

A man holds a 180-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 , which is applied perpendicular to the forearm. The forearm weighs 22.3 N and has a center of gravity as indicated. Find (a) the magnitude of 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.

I have everything but part C.......

I just need C

Explanation / Answer

C=270 degrees

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