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Which one of the following statements is...

Which one of the following statements is incorrect?

A

Frictionless force opposes the relative motion

B

Limiting value of static friction is directly proportional to normal reaction.

C

Rolling friction is smaller than sliding friction.

D

Coefficient of sliding friction has dimensions of length.

Text Solution

Verified by Experts

The correct Answer is:
D
Coefficient of sliding friction is dimensionless
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