8.For Spring mass damper system, m=1 Kg, k=1N/m, c=1/4 N.s/m, subjected to harmonic excitation force has amplitude 2 N, and driving frequency = 4 rad/s, the value of steady state amplitude is: O a. 16/3 O b. 35/3 O c. 41/3 d. None of them
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