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Theory of Machines Miscellaneous

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Theory of Machines

Theory of Machines Miscellaneous
  1. For an under damped harmonic oscillator, resonance
    1. occurs when excitation frequency is greater than undamped natural frequency
    2. occurs when excitation frequency is less than undamped natural frequency
    3. occurs when excitation frequency is equal to undamped natural frequency
    4. never occurs
Correct Option: C

For underdamped harmonic oscillator,
ωd = ωn


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