Question: Repeat Chapter Problem 9.2 using modal analysis. Data From Chapter Problem 9.2: Determine the steady-state amplitude for the mass hanging from the end of the

Repeat Chapter Problem 9.2 using modal analysis.

Data From Chapter Problem 9.2:

Determine the steady-state amplitude for the mass hanging from the end of the bar in the system in Figure P9.2. Use the method of undetermined coefficients.

FIGURE P9.2 L 2 2k1 W m, I M(t) = M sincot

FIGURE P9.2 L 2 2k1 W m, I M(t) = M sincot X m2 y m = 30 kg m = 20 kg k = 4 105 N/m k = 3 105 N/m I=1.8 kg-m I. 80 cm Mo 20 N m 0 = 45 rad/s

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