A sieving machine weighs 6,500 lb, and when operating at full capacity, it exerts a harmonic force on its supports of 700 lb amplitude at 12 Hz. After mounting the machine on spring-type vibration isolators, it was found that m the harmonic force exerted on the supports had been reduced to a 50 lb amplitude. Determine the spring stiffness k of the isolation system. 3.5 A sieving machine weighs 6,500 lb, and when operating at full capacity, it exerts a harmonic force onits supports of 700 lb amplitude at 12 Hz. After mounting the machine on spring-type vibrationisolators, it was found that the harmonic force exerted on the supports had been reduced to a 50 lbamplitude. Determine the spring stiffness k of the isolation system.

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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 sieving machine weighs 6,500 lb, and when operating at full capacity, it exerts a harmonic force on its supports of 700 lb amplitude at 12 Hz. After mounting the machine on spring-type vibration isolators, it was found that m the harmonic force exerted on the supports had been reduced to a 50 lb amplitude. Determine the spring stiffness k of the isolation system.

3.5 A sieving machine weighs 6,500 lb, and when operating at full capacity, it exerts a harmonic force on
its supports of 700 lb amplitude at 12 Hz. After mounting the machine on spring-type vibration
isolators, it was found that the harmonic force exerted on the supports had been reduced to a 50 lb
amplitude. Determine the spring stiffness k of the isolation system.

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