Which of the following are ways to reduce friction?

True

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False

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Polishing

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Using ball bearings

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Solution

The correct options are
C
Polishing

D
Using ball bearings

Friction can be reduced by decreasing the interlockings between the surfaces in contact. Some of the ways of reducing friction are

i. Polishing the surfaces in contact.

ii. Using ball bearings.

iii. Lubricating the surfaces in contact etc.

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Similar questions

Q. Ball-bearings are used to reduce the friction by.

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.

Q. From following statements choose the correct combination.
A. Grease is used to reduce friction in 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 when an object is sliding on a surface.

Q. Moving parts of most machines use ball bearings to reduce friction.

Q. How does the use of ball bearings reduce friction?

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Which of the following are ways to reduce friction?

The correct options are C Polishing D Using ball bearings Friction can be reduced by decreasing the interlockings between the surfaces in contact. Some of the ways of reducing friction are i. Polishing the surfaces in contact. ii. Using ball bearings. iii. Lubricating the surfaces in contact etc.