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प्रश्न
A man climbs a slope and another walks same distance on level road. Which of the two expends more energy and why?
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उत्तर
The man moving along the slope expends more energy. It is because, while moving along the slope, he gains height and hence has extra potential energy.
संबंधित प्रश्न
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Joule is the unit of .......
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| S. No | Activity | Work done or not done |
| 1. | Pushing the door | |
| 2. | Holding a doll | |
| 3. | Sitting in a bus | |
| 4. | Pushing a wall | |
| 5. | Digging soil |
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