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Which one of the following statements is...

Which one of the following statements is incorrect?

A

Coefficient of sliding friction has dimension of length.

B

Rolling friction is smaller than the sliding friction.

C

Friction force opposes the relative motion.

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
Coefficient of sliding friction has no dimension.
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