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Question

A ball is rolled on sand, on a cemented road and on an ice platform. In which of these cases will it move the farthest?


A

Sand

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B

Road

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C

Ice

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D

Same on all cases

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Solution

The correct option is C

Ice


When a ball is rolled along a surface, the frictional force opposes its motion. The frictional force is least in the case of ice as compared to sand and road since ice has a smooth surface compared to the other two. Thus, the ball will travel the farthest in the case of ice.


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