The 4-lb body is attached to two springs, each of which has a stiffness of 6 lb/in.
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The 4-lb body is attached to two springs, each of which has a stiffness of 6 lb/in. The body is mounted on a shake table which vibrates harmonically in the horizontal direction with an amplitude of 0.5 in. and a frequency ƒ which can be varied. Power to the shake table is turned off when electrical contact is made at A or B. Determine the maximum value of the frequency ƒ at which the shake table may be operated without turning the power off as it starts from rest and increases its frequency gradually. Damping may be neglected. The equilibrium position is centered between the fixed contacts.
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10"- 8"- A B www 4 lb k k
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Related Book For
Engineering Mechanics Dynamics
ISBN: 9781118885840
8th Edition
Authors: James L. Meriam, L. G. Kraige, J. N. Bolton
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