Treadmill vs. Real Hill: Which is harder to run

2025-04-10

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Thanks to Galilean relativity it should be just as hard to run on an inclined treadmill as it is to run on a hill of the same incline. But you don't gain gravitational potential energy on a treadmill, so can it really be true?

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0:00 Introduction

2:50 Building the vehicle

3:28 Components of the car

4:41 Galilean relativity

5:55 Train analogy

9:42 Infinite ladder analogy

11:22 Ladder experiment

14:30 What about energy?!

15:15 Leg muscles

15:52 The experiment

17:56 The data

18:31 Flat Earth parody

21:07 Analysing the data

25:37 Sponsor message