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What is lubricant? And can we …

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What is lubricant? And can we reduce friction to zero by polishing or lubrication the surface of an object

    • Posted by Om Prakash Sharma 7 years, 3 months ago

    CBSE > Class 08 > Science
    • 1 answers

    Yogita Ingle 7 years, 3 months ago

    Lubricants are substances used to reduce friction between two surfaces in contact with each other. Example: oil, grease, etc.
    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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