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Science physicas ncert question class 9 chapter motion |
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Answer» Answer: motion - an OBJECT is said to be in motion if its POSITION CHANGES with time in RELATION to a STATIONARY object it is said to be in motion.rest:- an object is said to be in motion if its position does not changes with time in relation to a stationary object it is said to be in rest.Types of motion1.translatory motion 2.periodic motion 3.non-periodic motion 4.curvilinear motion 5.rectilinear motion 6.rotational motion 7. |
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