Mention the different ways by which we can increase or decrease friction
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by using lubricant that is oil or fluid between two surfaces we can decrease friction if surface is rough then friction will increase.
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Answer:
Decrease:
1)Apply oil to an object to reduce the friction
2)Smoother the surface for less friction
Increase:
1)Scratch the surface for rougher surface.
2)Use it for a longer time.
Explanation:
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