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प्रश्न
Give one example of each of the following :
(a) inertia of rest, and (b) inertia of motion .
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उत्तर
Examples of inertia of rest: A coin placed on top of a card remains in place when the card is slightly and quickly jerked horizontally.
Example of inertia of motion: A ball thrown vertically upwards by a person in a moving train comes back to his hand.
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