Question

how to increase and decrease friction. (4 points)

Answer 1

When a body slides over the surface of another body, there is an opposing force acting in opposite direction of motion and this opposing force is called friction.Their are various ways by means of which, we can increase ordecrease friction.

Hope this helps you

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.