Which of the following can be used to reduce friction?

Metal wires

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Ball bearings

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Sand paper

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Limestone

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Solution

The correct option is B Ball bearings
When a heavy load is needed to slide over for some distance on flat solid surfaces, generally ball bearings are used to reduce the friction. Ball bearings have rolling friction, which is always less than the sliding friction.

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Similar questions

Of the following statements choose the correct statement :
A) Grease is used to reduce friction in the bicycle chain.
B) Ball bearings are used to reduce friction in a fan.
C) Oil can be used to increase friction in a car engine.
D) Talc can be used to reduce friction in a carrom board.

Of the following statements choose the correct combination that helps reduce friction:
A) Grease is used to reduce friction in bicycle chain
B) Ball bearings are used to reduced friction in a fan
C) Oil can be used to increase friction in a car engine
D) Talc can be used to reduce friction when an object is sliding on a surface.

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Which of the following can be used to reduce friction?

The correct option is B Ball bearingsWhen a heavy load is needed to slide over for some distance on flat solid surfaces, generally ball bearings are used to reduce the friction. Ball bearings have rolling friction, which is always less than the sliding friction.

The correct option is B Ball bearings
When a heavy load is needed to slide over for some distance on flat solid surfaces, generally ball bearings are used to reduce the friction. Ball bearings have rolling friction, which is always less than the sliding friction.