Assertion (A): A ball moving on a floor gradually slows down and finally
comes to nest.
Reason (R): A force of friction due to floor is acting on the ball.
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Answer:
a)When two surfaces are in contact with each other their ridges and grooves get stuck with each other causing them to slow down. b)If the surface is smooth the ball will travel more distance.
Answered by
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Assertion (A): A ball moving on a floor gradually slows down and finally comes to nest.
Reason (R): A force of friction due to floor is acting on the ball.
' Both Assertion and Reason are correct ' ✔
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