ch5p3 - 5.62 A winch system consists of a 0.1-m diameter...

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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 (continued) 428 ...
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