Question

Q7.(i)How does oiling reduce friction between two surfaces?​

Answer 1

Answer:

By friction

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Answer 2

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If you put a liquid like oil between two solid gears, it will shift about and change its shape as much as it needs to, cushioning the microscopic bumps between the gears as they mesh together and reducing the friction between them.The layers will slide freely past one another, so helping to reduce friction.