Damped natural frequency of a system with ωn =100 Hz and ς = 20% is given by A) 92 Hz B) 94 Hz C) 96 Hz D) 98 Hz

Damped natural frequency of a system with ωn =100 Hz and ς = 20% is given by
A) 92 Hz
B) 94 Hz
C) 96 Hz
D) 98 Hz
by

1 Answer

Answer :

D) 98 Hz
by

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A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural frequency (f n ), respectively, are a) 0.471 and 1.19 Hz b) 0.471 and 7.48 Hz c) 0.666 and 1.35 Hz d) 0.666 and 8.50 Hz

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