How can friction be increased or reduced?

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Solution

To increase friction : - Friction force can be increased by making the surface rough. For example, tyres of cars are made rough to increase the friction.

To decrease friction :- Friction between two surfaces can be decreased by the use of lubricants.

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How can friction be increased or reduced?

To increase friction : - Friction force can be increased by making the surface rough. For example, tyres of cars are made rough to increase the friction.To decrease friction :- Friction between two surfaces can be decreased by the use of lubricants.

To increase friction : - Friction force can be increased by making the surface rough. For example, tyres of cars are made rough to increase the friction.

To decrease friction :- Friction between two surfaces can be decreased by the use of lubricants.