Physics and Experiments demonstrating Assisted Belay Devices fail situations. Head to https://brilliant.org/hardiseasy to get a 30-day free trial + the first 200 people will get 20% off their annual subscription. Thank you Brilliant for stimulating our scientific thinking. Physics of GriGri Episode: https://www.youtube.com/watch?v=We-nxljgnw4 ▀▀▀ 00:00 Introduction 00:48 Physics 06:25 Experiment #1 Hand Above the Device 12:15 Experiment #2 Fall While giving Slack 15:24 Experiment #3 No Slack Fall 20:44 Conclusion 23:02 Ad ▀▀▀ A huge thank you to those who helped me to understand this topic: Prof. Pietro Meschini Prof. Rainer Schad ▀▀▀ And also If you are getting value out of my videos and wanna feel good - consider supporting me: https://hardiseasy.com/ Because that makes a big difference and is the main reason that allows me do this project! Deep Thanks! Ben