b) The amplitude b of forced vibration in a mechanical system is given by fo b = [(0-o)2 + 4r2o²j2 Show that for i) o<< 00, the response is independent of the mass, ii) for o = Wo, the amplitude at resonance depends inversely on the damping constant r and i11) for o>> 0o, the response is independent of the spring constant of the system.
b) The amplitude b of forced vibration in a mechanical system is given by fo b = [(0-o)2 + 4r2o²j2 Show that for i) o<< 00, the response is independent of the mass, ii) for o = Wo, the amplitude at resonance depends inversely on the damping constant r and i11) for o>> 0o, the response is independent of the spring constant of the system.
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Transcribed Image Text:b) The amplitude b of forced vibration in a mechanical system is given by
fo
b =
[(o-o) + 4r2o²2
Show that for
1) 0<<
the
response
is independent of the mass,
ii) for o = @o, the amplitude at resonance depends inversely on the damping constant
r and
i1) for o>> Wo, the response is independent of the spring constant of the system.
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