Question

list various methods to reduce friction

Answer 1

to reduce friction there are so many method

1. By using rollers and ball bearing

2. By using talcum powder

3.By making surface smooth

4. By using Lubricants

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Answer 2

Hey Friend ....... !!!
Here is your answer.....

There are various methods by which we can reduce friction. We can reduce friction :-

[ i ] By polishing the surfaces:-
Rough surfaces can be made smooth by polishing . It will reduce friction. Polishing removes hills and valleys from the surfaces.

[ ii ] By streamlining the bodies:-
To reduce fluid friction, aeroplanes , rockets , sail boats are shaped into streamlined body.

[ ii ] By applying oils, greases or lubricants on the surfaces:-
Use of oils, lubricants and greases makes the surfaces smooth. When oil, grease or lubricant is applied between the moving part of a machine, a thin layer is formed there and the moving surfaces do no directly rub against each other.

[ iii ] By sprinkling a soft, slippery line powder on the surface :-
A small quantity of talcum powder on a wooden surface of carrom board reduces friction between the striker and carrom board surface.

[ iv ] Wheels :-
Suitcases are fitted with wheels as the friction between the wheels and the ground is the least, it is easier to move it.


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