Are all forces illusions?
What is a force ? Is gravity a "real" force ? And what is the origin of contact forces ? All these answers in 14 minutes ! 0:00 - Introduction 2:00 - Inertial forces 4:12 - Gravity 7:57 - Contact forces 8:56 - Fundamental interactions 11:52 - Conclusion For more videos, subscribe to the YouTube channel : / scienceclicen And if you liked this video, you can share it on social networks ! To support me on Patreon : / scienceclic or on Tipeee : http://tipeee.com/ScienceClic Facebook Page : / scienceclic Twitter : / scienceclic Instagram : / scienceclic Alessandro Roussel, For more info: http://www.alessandroroussel.com/en _ To learn more : https://en.wikipedia.org/wiki/Force
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Every Famous Number, Explained: From Pi to the Unknowable
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Reinventing Entropy | Compression is Intelligence Part 1
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What would we see at the speed of light?
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The most beautiful formula not enough people understand
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Special Relativity
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I never understood why masses bend time...until now!
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What is General Relativity?
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How can a photon have momentum?
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The Distance Between Galaxies Is Worse Than You Think
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