13-11. Determine the time needed to pull the cord at B down 4 ft starting from rest when a force of 10 lb is applied to the cord. Block A weighs 20 lb. Neglect the mass of the pulleys and cords. 10 lb

13-11. Determine the time needed to pull the cord at B down 4 ft starting from rest when a force of 10 lb is applied to the cord. Block A weighs 20 lb. Neglect the mass of the pulleys and cords. 10 lb

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 5CQ: If there is only one external force (or toe) acting on object. It cannot be on equilibrium.

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Question

13-11. Determine the time needed to pull the cord at B
down 4 ft starting from rest when a force of 10 lb is applied
to the cord. Block A weighs 20 lb. Neglect the mass of the
pulleys and cords.
10 lb

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