Physics, 04.12.2019 03:31, reagancunningham2004

Amachine, weighing 3000 n, is supported on a resilient foundation. the static deflection of the foundation due to the weight is 7.5 cm. it is observed that the machine vibrates with an amplitude of 1 cm when the base of the foundation is subject to harmonic oscillation at the undamped natural frequency of the system with an amplitude of 0.25 cm. find (a) the damping constant of the foundation; (b) the maximum force transmitted to the base; (c) the amplitude of the displacement of the machine relative to the base.

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Amachine, weighing 3000 n, is supported on a resilient foundation. the static deflection of the foun...