Question

Give 2 ways of increasing friction and 2 ways of decreasing friction
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Answer 1

Answer:

inceasing frition- .by making the surface uneven or rough.

decreasing frition: - by using any lubricant as oil and greese

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Answer 2

Explanation:

ways to increase friction

• stop any relative motion .
• press the two surfaces together harder .

ways to decrease friction

• make the object more streamlined.
• by making surface smooth.