Treadmill vs. Real Hill: Which is harder to run

Click the link https://www.kiwico.com/stevemould and use the code STEVEMOULD to get 50% of your first month at KiwiCo. 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? You can buy my books here: https://stevemould.com/books You can support me on Patreon and get access to the exclusive Discord: https://www.patreon.com/stevemould Twitter: http://twitter.com/moulds Instagram: https://www.instagram.com/stevemouldscience/ Facebook: https://www.facebook.com/stevemouldscience/ TikTok: https://www.tiktok.com/stevemould Buy nerdy maths things: http://mathsgear.co.uk 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