The periodic vibrations of a body of decreasing amplitude in the presence of resistive force on it are called

Forced vibrations

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Free vibration

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Damped vibrations

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Solution

The correct option is D Damped vibrations
Forced vibrations: External force is acting on the body.
Free vibration: Constant amplitude and no external force.
Damped vibration: Amplitude is not constant, it keeps on decreasing due to environmental factors of the system like air resistance.
Therefore, correct option is C.

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Similar questions

When a body vibrates under a periodic force, the vibrations of the body are :

(a) natural vibrations (b) damped vibrations

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