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| Q. |
Which is incorrect statement, if any |
| A. | The force of friction is independent of the velocity of sliding |
| B. | The force of friction is independent of the extent of the surfaces in contact |
| C. | The force of friction is directly proportional to the pressure between the surfaces in contact |
| D. | The laws of friction are true when the intensity of the pressure between the surfaces is small |
| E. | None of the above |
| Answer» E. None of the above | |
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