MCQOPTIONS
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| 1. |
Pick up wrong statement about friction force for dry surfaces. Friction force is |
| A. | Proportional to normal load between the surfaces |
| B. | Dependent on the materials of contact surface |
| C. | Proportional to velocity of sliding |
| D. | Independent of the area of contact surfaces |
| Answer» D. Independent of the area of contact surfaces | |