Question

Chaptar 6, Problem 6/160 Th motor at 8 supplies a constant torque which is applied to a 355-mm-diameter internal drum around whch is wound the cable shown. This cable then wraps around a pulley which has a mass of 90 kg and is attached to a cart which has a mass of 120 kg carrying 695 kg of rock. The motor is able to bring the loaded cart to a cruising speed of 1.5 m's in 2 seconds What torque Mis the motor able to supply, and what is the average value of the tension in each side of the cable which is wrapped around the pulley at O during the speed-up period? The cable does not sip on the pulley and the centroidal radius of gyration of the pulley is 460 mm. What is the power output of the motor when the cart reaches its cruising speed? 710 mm AnswerS: Nom top IN kvI

Answer 1