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## Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupee coin and a one-rupee coin? - Physics Cbse class 11

##### Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train?(c) a five-rupee coin and a one-rupee coin?

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Mass is a measure of the inertia of a body. The greater the mass of a body; the greater is its inertia.

(a) Mass of a stone is more than the mass of a rubber ball of same size. Hence, inertia of a stone is greater than that of a rubber ball of same size.

(b) Mass of a train is more than the mass of a bicycle. Hence, inertia of a train is greater than that of a bicycle.

(c) Mass of a five rupee coin is more than that of a one-rupee coin. Hence, inertia of a five rupee coin is greater than that of a one-rupee coin.

Concept Note: More mass means more inertia.

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