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Question

A boy rolls a rubber ball on a wooden surface. The ball travels a short distance before coming to rest. To make the same ball travel longer distance before coming to rest, he may

A
spread a carpet on the wooden surface.
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B
cover the ball with a piece of cloth.
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C
sprinkle talcum powder on the wooden surface.
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D
sprinkle sand on the wooden surface.
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Solution

The correct option is C sprinkle talcum powder on the wooden surface.
To make the ball to roll over a longer distance, friction between the floor and the ball is to be reduced. Sprinkling talcum powder on the wooden floor will decrease the friction.

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