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A large rotating machine causes the floor of a factory to oscillate sinusoidally. A punch press is to be mounted on the same floor as shown in Figure. The displacement of the floor at the point where the punch press is to be mounted is measured to be y(t) = 0.1 sin w₁t (cm). Using the base support model of this section, calculate the maximum force transmitted to the punch press at resonance if the press is mounted on a rubber fitting of stiffness k = 40000 N/m; damping, c = 900 N.s/m; and mass, m = 3000 kg. Excitation source: Rotating machine Punch press Floor Support: c, k Base motion y(t)

A large rotating machine causes the floor of a factory to oscillate sinusoidally. A punch press is to be mounted on the same floor as shown in Figure. The displacement of the floor at the point where the punch press is to be mounted is measured to be y(t) = 0.1 sin w₁t (cm). Using the base support model of this section, calculate the maximum force transmitted to the punch press at resonance if the press is mounted on a rubber fitting of stiffness k = 40000 N/m; damping, c = 900 N.s/m; and mass, m = 3000 kg. Excitation source: Rotating machine Punch press Floor Support: c, k Base motion y(t)

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 large rotating machine causes the floor of a factory to oscillate sinusoidally. A punch press is to be mounted on the same floor as shown in Figure. The displacement of the floor at the point where the punch press is to be mounted is measured to be y(t) = 0.1 sin w₁t (cm). Using the base support model of this section, calculate the maximum force transmitted to the punch press at resonance if the press is mounted on a rubber fitting of stiffness k = 40000 N/m; damping, c = 900 N.s/m; and mass, m = 3000 kg. Excitation source: Rotating machine Punch press Floor Support: c, k Base motion y(t)
Transcribed Image Text:A large rotating machine causes the floor of a factory to oscillate sinusoidally. A punch press is to be mounted on the same floor as shown in Figure. The displacement of the floor at the point where the punch press is to be mounted is measured to be y(t) = 0.1 sin w₁t (cm). Using the base support model of this section, calculate the maximum force transmitted to the punch press at resonance if the press is mounted on a rubber fitting of stiffness k = 40000 N/m; damping, c = 900 N.s/m; and mass, m = 3000 kg. Excitation source: Rotating machine Punch press Floor Support: c, k Base motion y(t)
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