Question

what is friction???
how to reduce friction???

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Answer 1

Answer:

friction is force applied on an object .

we can reduce it by applying oil, wheels, etc

Explanation:

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Answer 2

Answer:

Friction is the resistance to motion of one object moving relatives to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientist believe it is the result of the electromagnetic attraction between charged particles in two touching surface.

By polishing the surface, as polishing makes the surface smooth and friction can be reduced. Using lubricants such as oil or grease can reduce the friction between the surfaces. When objects are rolled over the surface, the friction between the rolled object and surface can be reduced by using ball bearings.