6-57 Pulleys A and B of the chain hoist shown in Fig. P6-57 are connected and rotate as a unit. The chain is con- tinuous, and each of the pulleys contains slots that prevent the chain from slipping. Determine the force F required to hold a 1000-lb block W in equilibrium if the radii of pul- leys A and B are 3.5 and 4.0 in., respectively. B W

6-57 Pulleys A and B of the chain hoist shown in Fig. P6-57 are connected and rotate as a unit. The chain is con- tinuous, and each of the pulleys contains slots that prevent the chain from slipping. Determine the force F required to hold a 1000-lb block W in equilibrium if the radii of pul- leys A and B are 3.5 and 4.0 in., respectively. B W

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.90P: The 14-kN weight is suspended from a small pulley that is free to roll on the cable. The length of...

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