QUESTION 5 A 45kg machine is placed at the end of a 1.6m cantilever beam of the elastic modulus of 200x10 N/m? and cross sectional moment of inertia 1.6x10 m. As it operates, the machine produces a harmonic force of magnitude 125N. At what operating speeds will the machines steady state amplitude be less than 0.2mm?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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QUESTION 4
The equation for base excitation is given of the form:
Xk Xo
Fo
fo
(1-r2)2 + (2r)²
Dernve the equation above for the normalized magnitude and calculate the value of r = for which the
amplitude for the steady state response takes on the maximum value.
QUESTION 5
A 45kg machine is placed at the end of a 1.6m cantilever beam of the elastic modulus of 200x10 N/m?
and cross sectional moment of inertia 1.6x10 m. As it operates, the machine produces a harmonic
force of magnitude 125N. At what operating speeds will the machines steady state amplitude be less
than 0.2mm?
Transcribed Image Text:QUESTION 4 The equation for base excitation is given of the form: Xk Xo Fo fo (1-r2)2 + (2r)² Dernve the equation above for the normalized magnitude and calculate the value of r = for which the amplitude for the steady state response takes on the maximum value. QUESTION 5 A 45kg machine is placed at the end of a 1.6m cantilever beam of the elastic modulus of 200x10 N/m? and cross sectional moment of inertia 1.6x10 m. As it operates, the machine produces a harmonic force of magnitude 125N. At what operating speeds will the machines steady state amplitude be less than 0.2mm?
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