3. When the fan is switched off, its blades continue to rotate for some time.
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I think it is tyre of car
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Motion:-
In everyday life,we observe several types of motions like vehicle moving on a road,flying birds,movement of needles of a watch,movement of blades of a fan,circulation of blood through veins and arteries etc. If a body change its position with respect to time and its surroundings,it is said to be in motion.Motion and rest are always relative but never absolute.
So,the fan has tendency to continue its circular motion even after it is switched off due to the iriteria of motion .Thus,the fan used to move continue to rotate for some time.
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