Physics, asked by BAthamarai, 13 hours ago

Explain increasing and decreasing friction with suitable examples ​

Answers

Answered by wachimsiddique3545
3

Answer:

when we suddenly push brakes of vehicle of high speed , it create a lot of friction , it means increase in friction. We pour oil in hinges of door to make it free to open and close , it means decrease in friction.

Explanation:

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Answered by Akish12Riyan
0

Answer:

Here it is Brother!!

Explanation:

When a ground or surface become slippery after rain or water splashing it is made rough by spreading sand to increase the friction. To decrease friction: (i) Friction between two surfaces can be decreased by using lubricants. (ii) Friction between two surfaces can be reduced by polishing them

To reduce friction we can make the surfaces in contact smooth. Also adding a lubricant to two surfaces in contact reduces friction between them. Grease is added between the moving parts in machines, to reduce friction. ... To increase friction, the surfaces in contact have to be made rough.

here are two methods of increasing friction: one is by making the surfaces rough and the other by increasing the mass of the object that is moving. For example, the tyres of vehicles have treads (these are the 'designs' that you can see on the tyre surface), which increase the friction between the tyre and the road

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