Give one example of forced vibration.

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Solution

The vibration of a body under the presence of an external force is known as forced vibration.
External periodic force is applied to a body.
The frequency of external periodic force is exactly equal to the natural frequency of the body, and the amplitude of the vibration will be large.
When a guitar is played the artist forces the strings of the guitar to execute forced vibrations.
Therefore, the guitar is one example of forced vibration.

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