The drawing shows a uniform horizontal beam attached to a vertical wall by a frictionless hinge and supported from below at an angle θ=39 by a brace that is attached to a pin. The beam has a weight of 340 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 θ 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 magnitude of these three forces.
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