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Kinetic Friction

A ball moving...

Question

A ball moving on a table top eventually stops. What is the reason ?

A

due to gravity.

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B

due to friction between the ball and table

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C

due to other external force.

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D

none of these.

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Solution

The correct option is B due to friction between the ball and table
Due to the force of friction between the ball and table top, it opposes the motion of the ball. And, gradually its speed keeps on decreasing and the ball finally stops.

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