A 110 kg machine is mounted on an elastic foundation of stiffness 2×106 N/m. When operating at 150 rad/s, the machine is subjected to a harmonic force of magnitude 1500 N. The steady state amplitude of the machine is measured as 1.9 mm. Find • the frequency ratio the amplitude ratio or the magnification factor What is the damping ratio of the foundation?
A 110 kg machine is mounted on an elastic foundation of stiffness 2×106 N/m. When operating at 150 rad/s, the machine is subjected to a harmonic force of magnitude 1500 N. The steady state amplitude of the machine is measured as 1.9 mm. Find • the frequency ratio the amplitude ratio or the magnification factor What is the damping ratio of the foundation?
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 110 kg machine is mounted on an elastic foundation of stiffness 2×106 N/m. When operating
at 150 rad/s, the machine is subjected to a harmonic force of magnitude 1500 N. The steady
state amplitude of the machine is measured as 1.9 mm.
Find
•
the frequency ratio
the amplitude ratio or the magnification factor
What is the damping ratio of the foundation?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F27ae1c65-6d36-429b-9d72-b207dc1611cc%2F25a6251b-d082-4cf2-b642-ca790ea18716%2F4mzv9dw_processed.png&w=3840&q=75)
Transcribed Image Text:A 110 kg machine is mounted on an elastic foundation of stiffness 2×106 N/m. When operating
at 150 rad/s, the machine is subjected to a harmonic force of magnitude 1500 N. The steady
state amplitude of the machine is measured as 1.9 mm.
Find
•
the frequency ratio
the amplitude ratio or the magnification factor
What is the damping ratio of the foundation?
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