Question

Q.2 How friction can be minimized or reduced. Write any two points.​

Answer 1

Explanation:

Make surfaces smooth by grinding.

Lubrication.

Streamlined body.

Reduce pressure or weight on the object.

Reduce contact between surfaces by electrostatic magnetic levitation etc.

Answer 2

Answer:

There are various ways to reduce friction:

1. By using lubricants: friction increases as the roughness of the surface increases. Lubricants fill the fine pores and gaps between contact surfaces and reduces friction

2. Polishing surfaces: It makes the surfaces even and hence reduces friction

Explanation:

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