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A heavy machine, weighing 3000 N rest on a rubber mount modeled as a stiffness k and a damper c. The static deflection of the support due to the weight of the machine is found to be 7.5 cm. It is observed that the machine vibrates with an amplitude of 1 cm when the flexible floor is subjected to harmonic oscillation at the undamped natural frequency of the system with an amplitude of 0.25 cm. Find the: 1. Stiffness k and the natural frequency of the system

A heavy machine, weighing 3000 N rest on a rubber mount modeled as a stiffness k and a damper c. The static deflection of the support due to the weight of the machine is found to be 7.5 cm. It is observed that the machine vibrates with an amplitude of 1 cm when the flexible floor is subjected to harmonic oscillation at the undamped natural frequency of the system with an amplitude of 0.25 cm. Find the: 1. Stiffness k and the natural frequency of the system

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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A heavy machine, weighing 3000 N rest on a rubber mount modeled as a stiffness k and a damper c. The static deflection of the support due to the weight of the machine is found to be 7.5 cm. It is observed that the machine vibrates with an amplitude of 1 cm when the flexible floor is subjected to harmonic oscillation at the undamped natural frequency of the system with an amplitude of 0.25 cm. Find the: 1. Stiffness k and the natural frequency of the system
Transcribed Image Text:A heavy machine, weighing 3000 N rest on a rubber mount modeled as a stiffness k and a damper c. The static deflection of the support due to the weight of the machine is found to be 7.5 cm. It is observed that the machine vibrates with an amplitude of 1 cm when the flexible floor is subjected to harmonic oscillation at the undamped natural frequency of the system with an amplitude of 0.25 cm. Find the: 1. Stiffness k and the natural frequency of the system
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