The vibrations of a body which take place under the influence of an external periodic force acting on it are called

Forced vibrations

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Free vibration

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Damped vibrations

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All

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Solution

The correct option is A Forced 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 A.

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Similar questions

When a body vibrates under a periodic force, the vibrations of the body are called natural vibrations.

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

(a) natural vibrations (b) damped vibrations

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

When a body vibrates under a periodic force, the vibration of the body is called:

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