A reciprocating machine weighing 100KN is known to develop vertically oriented harmonic forces having and amplitude of 2.5kN at its operating speed of 40HZ. In order to limit the vibrations excited in the building in which the machine is installed, it is to be supported by a spring at each corner of its rectangular base. The designer wants to know what support spring stiffness would be required to limit to 0.4kN, the total harmonic force transmitted from the machine to the building.
A reciprocating machine weighing 100KN is known to develop vertically oriented harmonic forces having and amplitude of 2.5kN at its operating speed of 40HZ. In order to limit the vibrations excited in the building in which the machine is installed, it is to be supported by a spring at each corner of its rectangular base. The designer wants to know what support spring stiffness would be required to limit to 0.4kN, the total harmonic force transmitted from the machine to the building.
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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