The elevator car E has mass m E and the counterweight C has mass m C .

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The elevator car E has mass mE and the counterweight C has mass mC. If a motor turns the driving sheave A with torque aθ+ b, determine the speed of the elevator when it has ascended a distance d starting from rest. Each sheave A and B has mass mS and radius of gyration k about its mass center or pinned axis. Neglect the mass of the cable and assume the cable does not slip on the sheaves.imageimage

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