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As in the previous question, we are interested in the forced vibrations of a sin...

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As in the previous question, we are interested in the forced vibrations of a single degree of freedom.

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Select the vibration response (A - J) that best matches each of the following descriptions:

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Underdamped response with

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where the excitation frequency is twice the natural frequency. Transient effects die out almost immediately after which the system vibrates at a steady-state.

An underdamped system with very low damping (

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), where the system is excited at its natural frequency.

An undamped system is excited at its natural frequency, which results in resonance.

Underdamped response with

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where the excitation frequency is ten times lower than the natural frequency.

Underdamped response with

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, where the excitation frequency is twice the natural frequency. Some transient behaviour is observed before the system reaches a steady-state.

An undamped system excited very close to its natural frequency, which exhibits beating behaviour.

An undamped forced response with two distinct frequencies of vibration - one which corresponds to the excitation frequency, and the other which corresponds to the natural frequency of the system.

Underdamped response of a system with

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, where the system is excited at the natural frequency.

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