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Question

Friction can be reduced to zero by applying lot of lubricants.


A

rubbing of hands gainst each other

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B

rubbing of eraser against paper

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Solution

The correct option is B

rubbing of eraser against paper


Friction can never be entirely eliminated, but it can be reduced by applying lubricants to the surface. Some irregularities will always remain on the surface of the material even after application of lubricants.


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