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Physics

(i) What do you understand by free vibrations of a body?

(ii) Why does the amplitude of a vibrating body continuously decrease during damped vibrations?

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ICSE 2018

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Answer

(i) The periodic vibrations of constant amplitude and frequency of a body in the absence of any external force on it, are called free vibrations.

(ii) The amplitude of a vibrating body continuously decrease during damped vibrations. It is due to loss of energy against the damping forces such as air, friction etc.

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