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Moment of Inertia and its Significance :: Discussion
| 4. | If a person standing on a rotating disc stretches out his hands, the angular speed will? | |
| A. | Increase | |
| B. | Decrease | |
| C. | Remains same | |
| D. | Increases and then decreases | |
| Answer: Option B | |
| Explanation: | |
|
As the person stretches out his hands, his moment of inertia increases. To conserve angular momentum, his angular speed increases. |
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| Tutorial Link: |
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