Published on: 2025-06-13 12:00:00
You can get a great workout by walking up the stairs in a tall building. The only problem is that you can’t watch TV while doing it—hence the popularity of stationary stair-climbing machines. But is it the same? If your goal is to burn calories, does it make any difference which you choose? That’s actually a great physics question, and we can get a pretty good mental workout with it. Shall we? The Work-Energy Principle OK, what is a calorie, anyway? It’s a unit of energy, defined as the amount
Keywords: book calorie energy principle work
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