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An air compressor of mass 125 kg is mounted on an elastic foundation, which can be modelled as a mass supported by spring and damper. It has been observed that, when a harmonic force of amplitude 120 N is applied to the compressor, the maximum steady state displacement of 6 mm occurred at a rotational speed of 350 rpm. Determine 1. The equivalent stiffness of the foundation 2. The equivalent damping of the foundation 3. The magnitude of the transmitted force to the foundation

An air compressor of mass 125 kg is mounted on an elastic foundation, which can be modelled as a mass supported by spring and damper. It has been observed that, when a harmonic force of amplitude 120 N is applied to the compressor, the maximum steady state displacement of 6 mm occurred at a rotational speed of 350 rpm. Determine 1. The equivalent stiffness of the foundation 2. The equivalent damping of the foundation 3. The magnitude of the transmitted force to the foundation

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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An air compressor of mass 125 kg is mounted on an elastic foundation, which can be modelled as a mass supported by spring and damper. It has been observed that, when a harmonic force of amplitude 120 N is applied to the compressor, the maximum steady state displacement of 6 mm occurred at a rotational speed of 350 rpm. Determine

1. The equivalent stiffness of the foundation 2. The equivalent damping of the foundation

3. The magnitude of the transmitted force to the foundation

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