Which one of the following statements is incorrect [NEET 2018]
Physics · NEET · NTA Exams — Laws of Motion
Which one of the following statements is incorrect
[NEET 2018]
[NEET 2018]
- Rolling friction is smaller than sliding friction
- Limiting value of static friction is directly proportional to normal reactions
- Frictional force opposes the relative motion
- Coefficient of sliding friction has dimensions of length
Answer
(D) Coefficient of sliding friction has dimensions of length
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