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In a machine, a block continously slides...

In a machine, a block continously slides forward and backward on a horizontal platform. When lubricating oil is applied to their surfaces n contact, then the friction between them

A

increases

B

decreases considerably

C

become zero

D

remains constant

Text Solution

Verified by Experts

The correct Answer is:
B
Lubrricants are used to reduce the friction between two bodies.
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