Question

Explain about increasing friction and reducing friction

Answer 1

friction is the type of force which applied opposed

for the increasing of friction we should have rough surface

for decrease of friction we have to apply grease or oil

Answer 2

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Methods of increasing friction:-

1) By making the surface rough.

2)By removing all the lubricants.

3)By increasing the mass of the body

Methods of decreasing friction:-

1)By using lubricants.

2)By making the body streamlined

3)By using ball bearings.