Q. 624.4( 16 Votes )

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

Answer :

If we oil between the two surfaces, say part1 and part 2 of a machine, then the oil layer will allow less contact of the two surfaces with each other as you can see in the figure below:

In this way, the friction between the two surfaces is decreased.

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