10. Give two examples of periodic motion.
Two examples of periodic motion are:
(i) The needle of a sewing machine.
(ii) The blades of a fan which is switched on.
i ) A rocking chair
ii) a bouncing ball
iii) a swing in motion
JNVST Class 6 admit card 2025 out at navodaya.gov.in; exam in 2 phases
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