Answer / jaya chandra

This is most Useful in Bridge construction.
Because When the frequency of the external force is same as
that of natural frequency of the system ,a state of
RESONANCE is said to been reached. RESONANCE results in
large amplitude of vibration and this may be DANGEROUS.

Answer / praveen

be clear wat u sayin...specific frequecy or natural frequency???

Answer / g.sailendra reddy

any object has certain specific frequency. in order to avoid vibrations.

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