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A rigid uniform horizontal bar of mass m1 = 95.00kg and length L = 5.500m is sup

ID: 2094238 • Letter: A

Question

A rigid uniform horizontal bar of mass m1 = 95.00kg and length L = 5.500m is supported by two vertical massless strings. String A is attached at a distance d = 1.900m from the left end of the bar and is connected to the top plate. String B is attached to the left end of the bar and is connected to the floor. An object of mass m2 = 3500kg is supported by the crane at a distance x = 5.300m from the left end of the bar.

Throughout this problem, positive torque is counterclockwise and use 9.807 m/s^2 for the magnitude of the acceleration due to gravity.

Explanation / Answer

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Ta = Tb + W? + W? = Tb + ( m? + m? ) g

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