A 60-kg woman holds a 9-kg package as she stands within an elevator which briefly accelerates upward

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A 60-kg woman holds a 9-kg package as she stands within an elevator which briefly accelerates upward at a rate of g /4. Determine the force R which the elevator floor exerts on her feet and the lifting force L which she exerts on the package during the acceleration interval. If the elevator support cables suddenly and completely fail, what values would R and L acquire?

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Engineering Mechanics Dynamics

ISBN: 9781118885840

8th Edition

Authors: James L. Meriam, L. G. Kraige, J. N. Bolton

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