Q4. A two-degree-of-freedom model consisting of two masses connected in series by two springs is shown in the figure below. The physical parameters have the values m, = 8 kg, m2 = 2 kg, k, = 20 N/m, and k, = 30 N/m. X1 X2 m1 m2 k1 k2 (A) Write down the equation of motion for mass m, (B) Write down the equation of motion for mass m, Calculate the first (larger) natural frequency of the system (D) Calculate the second (smaller) natural frequency of the system

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Q4.
A two-degree-of-freedom model consisting of two masses connected in series by two springs is shown in the
figure below. The physical parameters have the values m, = 8 kg, m, = 2 kg, k, = 20 N/m, and k2 = 30
N/m.
X1
X2
m1
m2
k1
k2
(A) Write down the equation of motion for mass m,
(B) Write down the equation of motion for mass m,
Calculate the first (larger) natural frequency of the system
(D) Calculate the second (smaller) natural frequency of the system
Transcribed Image Text:Q4. A two-degree-of-freedom model consisting of two masses connected in series by two springs is shown in the figure below. The physical parameters have the values m, = 8 kg, m, = 2 kg, k, = 20 N/m, and k2 = 30 N/m. X1 X2 m1 m2 k1 k2 (A) Write down the equation of motion for mass m, (B) Write down the equation of motion for mass m, Calculate the first (larger) natural frequency of the system (D) Calculate the second (smaller) natural frequency of the system
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