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Moment of Inertia :: Discussion
| 9. | A ball moves in a frictionless inclined table without slipping. The work done by the table surface on the ball is? | |
| A. | Positive | |
| B. | Negative | |
| C. | Zero | |
| D. | Infinity | |
| Answer: Option C | |
| Explanation: | |
|
Motion without slipping implies pure rolling. During pure rolling work done by friction force is zero. |
|
| Tutorial Link: |
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