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Question

Explain with the help of diagrams, how the use of oil reduces friction between two surfaces in contact with each other.


Solution

When oil is applied between the two surfaces in contact, a thin layer of oil is formed between the two surfaces. This layer separates the two surfaces a little bit due to which their interlocking is reduced to a large extent when they rub against each other. 


Physics
Science for Eighth Class
Standard VIII

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