A mechanical system is oscillating at resonance with a constant amplitude. Which one of the following statements is not correct?

The applied force prevents the amplitude from becoming too large.

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The frequency of the applied force is the same as the natural frequency of oscillation of the system.

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The total energy of the system is constant.

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The amplitude of oscillations depends on the amount of damping.

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Solution

The correct option is A The applied force prevents the amplitude from becoming too large.
The applied force prevents the amplitude from becoming too large.

Option A is correct.

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A mechanical system is oscillating at resonance with a constant amplitude. Which one of the following statements is not correct?

The correct option is A The applied force prevents the amplitude from becoming too large.The applied force prevents the amplitude from becoming too large.Option A is correct.

The correct option is A The applied force prevents the amplitude from becoming too large.
The applied force prevents the amplitude from becoming too large.

Option A is correct.