A beam is supported on two rollers, each of radius 'r' is moved up an inclined plane making angle b'' by a force 'P' which acts parallel to the plane. Determine the magnitude of "P" necessary to maintain equilibrium if there is no slipping between either the rollers and the inclined plane or the rollers and the beam.The weight of the beam is Q and the wight of each roller is 'w'.
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