A surface is rubbed to make it smoother.What effect will this have on friction?Give reasons. Please answer.
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The Friction will REDUCE.
Friction between two surfaces exists due to their surface irregularities.After rubbing , the corresponding surface irregularities will decrease thereby reducing the friction.
Friction between two surfaces exists due to their surface irregularities.After rubbing , the corresponding surface irregularities will decrease thereby reducing the friction.
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