Question

2. Objects with rough surface have less friction​

Answer 1

• Rough surfaces have more friction than smooth surfaces and liquids such as oil or water are sometimes used as lubricants to reduce the effect of friction.
• There is no mystery behind friction. It acts on objects at the surfaces so as to prevent or reduce movement between the surface.

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Answer 2

Answer:

rough surfaces have more friction and smooth surfaces have less friction

Explanation:

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