Which one of the following statements is incorrect?

1. Rolling friction is smaller than sliding friction.

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

3. Frictional force opposes the relative motion.

4. Coefficient of sliding friction has dimensions of length.

Subtopic:  Friction |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
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