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A rod has one end at the origin C , and other end is at point...

A rod has one end at the origin C , and other end is at point A (3,4,1). The support at point C is fixed. The other end (point A) is connected by cable to point B at (4,0,2).
a. Draw the free-body diagram of the rod.
b. Determine the reactions at C if the tension in the rod AB is 200lb.

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