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Moment of Inertia :: Discussion
| 3. | A position dependent force, F = 7-2x+3x2-N acts on a small body of mass 2kg and displaces it from x = 0 to x = 5m. The work done in joules is | |
| A. | 135 | |
| B. | 270 | |
| C. | 35 | |
| D. | 70 | |
| Answer: Option A | |
| Explanation: | |
|
W = ∫Fdx = ∫50(7−2x+3x2)dx=[7x−x2+x3]50 |
|
| Tutorial Link: |
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