A horizontal shaft supported by bearings a and e the

a horizontal shaft supported by bearings a and e the distance between a and e is 7 m the shaft carries three pulleys (b, c, and d) of mass 120, 140 and 40 kg at 2, 4, and 55 m respectively from bearing a the centres of mass of these pulleys are at 4530, and 50 mm respectively from the shaft axis the angular positions of masses d and c with respect to that in mass b if the shaft is in static balance is 135 and 200 anticlockwise the shaft rotates at 300 revolutions per minute (rpm) determine the d

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