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Answer the above asked question. It's a bit hard so increased the points .​

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Answer:

Periodic motion : A motion which gets repeated after REGULAR intervals of time is called a periodic motion.

Examples : The earth moving around the sun takes 365 days to COMPLETE one REVOLUTION and this motion gets repeated after every 365 days.

Non-periodic motion : The motion which does not repeat itself after regular interval of time is called non-periodic motion.

Examples : A footballer running on a FIELD, application of brakes in a moving vehicle, a ball rolling down the ground gradually SLOWS down and finally stops, motion of tides in the sea, etc.



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