Mathematics, 16.10.2020 05:01 angelicadattoli
A man holds a 190-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 20.9 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.
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A man holds a 190-N ball in his hand, with the forearm horizontal (see the figure). He can support t...
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