Question

Methods of reducing friction​

Answer 1

Make the surfaces smoother. Rough surfaces produce more friction and smooth surfaces reduce friction.

Lubrication is another way to make a surface smoother. ...

Make the object more streamlined. ...

Reduce the forces acting on the surfaces. ...

Reduce the contact between the surfaces.

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Answer 2

$\large{\mathrm{\red{Methods\:of\:reducing\:friction-}}}$

• by using fine powder on the surfaces like on carrom board.
• using oil in the tools or in machine parts.
• by using grease between the moving parts of the machine.
• by using graphite powder between moving parts of machine.
• by using air cushion between the moving parts in machine where oils or lubricants may not be advisable.

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• Friction: The force which opposes the relative motion between two surfaces in contact is called friction.

• The force of friction depends upon two parameters. These are

1. mass of the body,
2. nature of the surface.

• The force of friction is almost independent of the velocity of the moving body with respect to the surface, as long as the velocity is not too high.

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