1.

Choose the correct statements from the following: 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.

Answer»

Choose the correct statements from the following:

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.



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