Question

Give any two ways to reduce the friction in machines?​

Answer 1

Answer:

1-By polishing the surface, as polishing makes the surface smooth and friction can be reduced.

2-Using lubricants such as oil or grease can reduce the friction between the surfaces.

Explanation:

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Answer 2

Answer:

1)Friction can be reduced by making the surface smooth by polishing.

2)Friction can be reduced by applying lubricants (like oil or grease) to the rubbing surface.

3)Friction can be reduced by using wheels to move objects.

4)Friction can be reduced by using ball bearing between the moving parts of machine.

Explanation:

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