A 16-lb block A slides in a vertical frictionless slot and is connected to a moving support

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A 16-lb block A slides in a vertical frictionless slot and is connected to a moving support B by means of a spring AB of constant 130 lb/k = ft. Knowing that the displacement of the support is δ = δm sin ωft where δm = 6in., determine the range of values of f ω for which the amplitude of the fluctuating force exerted by the spring on the block is less than 30 lb.

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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

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