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December 21, 2014

Homework Help: Physics(Please, please check)

Posted by Hannah on Sunday, June 10, 2012 at 2:25pm.

A uniform horizontal beam is attached to a vertical wall by a frictionless hinge and supported from below at an angle = 38o by a brace that is attached to a pin. The beam has a weight of 347 N. Three additional forces keep the beam in equilibrium. The brace applies a force P to the right end of the beam that is directed upward at the angle with respect to the horizontal. The hinge applies a force to the left end of the beam that has a horizontal component H and a vertical component V. Find the magnitudes of these three forces.


For P I did 1/2 (347) = 173.5 and for v I did cos38(347). Did I start this off correctly?

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