Unformatted text preview: 5.62 A winch system consists of a 0.1-m diameter drum, shaft and motor.
Compute the reactions at A and C, and the motor torque Mz required
to keep the IOU-kg mass in equilibrium. The spindle supports at A and
C are thrustiess bearings. Neglect any moments at A and C. FIGURE P5.62 Solution: The free—body is given and the equilibrium equations are
(unrestrained in z direction) FIGURESE.62
2F =0:AI+C =0 (1)
2Fy=0sz+C =931 (2) 2 Me = 0 = M1]; + (.053 + 0.212) x (—9813) + 0.412 x (Aﬁ + A5) = 0 Further manipulation of the moment equation yields
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- Summer '08