Give one example each of natural vibration, forced vibration and resonance.

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Solution

Natural vibrations are free vibrations of an elastic body that occur at a frequency called the natural frequency.
An example of natural vibrations is: Pulling a boy back on a swing and then releasing control.
Forced vibrations differ from natural vibrations in so much as they occur at a frequency determined by an applied force.
An example of forced vibrations is: When an imbalance causes a washing machine to vibrate.
The object will have its greatest amplitude when the natural frequency of vibration equals the frequency with which it is vibrating. The term for this phenomenon is resonance.
An example of resonance is: Pulling a string

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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

What do you understand by the natural vibrations of a body ? Give one example.

What are the forced vibrations ? Give one example to illustrate your answer.

What are the damped vibrations? How do they differ from the free vibrations? Give one example of each.

A wire stretched between the two fixed supports, is plucked exacly in the middle and then released. It executes (neglect the resistance of the medium) :

(a) resonant vibrations (b) natural vibrations

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