A basketball player executes a “slam dunk” shot, then hangs momentarily on the rim, exerti...

A basketball player executes a “slam dunk” shot, then hangs momentarily on the rim, exerting the two 100-lb forces shown. The dimensions are  in and  in, and the angle α = 120°.

(a) If you represent the forces he exerts by a force F acting at O and a couple M, what are F and M?

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(b) The glass backboard will shatter if |M| > 4000 in-lb. Does it break?