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 : https://www.youtube.com/ScienceClicEN
And if you liked this video, you can share it on social networks !
To support me on Patreon : http://www.patreon.com/ScienceClic
or on Tipeee : http://tipeee.com/ScienceClic
Facebook Page : http://facebook.com/ScienceClic
Twitter : http://twitter.com/ScienceClic
Instagram : http://instagram.com/ScienceClic
Alessandro Roussel,
For more info: http://www.alessandroroussel.com/en
_
To learn more :
https://en.wikipedia.org/wiki/Force