Question

Which of the following actions does not increase friction? ​

Answer 1

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• The friction of a surface is increased by increasing its roughness. The roughness of a carom board does not increase when it is powdered. Hence, the friction of a carom board surface does not increase when it is powdered. The correct answer is D.

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Answer 2

HI

THE QUATION IS NOT CLEAR BUT I HOPE THIS IS HE ANSWER MARKA S BRAINLIEST

GRINDING ON STONES