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How to Decrease Friction

Can we reduce...

Question

Can we reduce friction to zero by polishing surfaces or using large amount of lubricants ?

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Solution

Friction can be reduced by polishing surfaces or using large amount of lubricants such as oil, water, or grease but we cannot reduce friction to zero. Friction exists at even atomic levels too. We cannot completely eliminate friction.

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Friction can be reduced to zero by applying lots of lubricants between surfaces.

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Reason: We can reduce frictional force by polishing the surface.

Q. Assertion :In order to reduce sliding friction, lubricants are used. Reason: Lubrication changes the conditions of rubbing, replacing the sliding friction by rolling friction, there by reducing the force of friction.

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