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Polishing Surfaces in Contact to Change Friction

Can friction ...

Question

Can friction ever be eliminated?

A

Yes

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B

No

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C

Sometimes

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D

Depends on the object in regard

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Solution

The correct option is B No
No matter how smooth or polished a surface might be, it will always have some irregularities at microscopic level. Thus, the friction can never be eliminated.

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Polishing Surfaces in Contact to Change Friction

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