how the use of oil reduce the friction between two surfaxe in contact with each othet
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‘Coz oil is a lubricant.
Hope it helps.
Hope it helps.
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Sliding surfaces in contact have friction due to irregularities and bonding of atoms and molecules in one surface for the other. A layer of liquid isolates surface contact and so the source of solid-solid friction. The source of friction now becomes the viscosity of the liquid which is significantly less than solid-solid friction. The liquid is a lubricant eg. oil
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