Other videos you might like
19:10 | 2012 Jun
13:08 | 2012 Jun
2:37 | 2012 Jul
4:52 | 2012 Jul
4:32 | 2012 Jul
4:38 | 2012 Jul
5:10 | 2012 Jul
3:44 | 2012 Jul
4:55 | 2012 Jul
46:39 | 2012 Jul
Khan Academy: Four Fundamental Forces
2,274 Views
This video belongs to the following courses
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
The four forces: Gravity, Weak, Electromagnetic and Strong. In particle physics, fundamental interactions are the ways that elementary particles interact with one another. An interaction is fundamental when it cannot be described in terms of other interactions. The four known fundamental interactions, are electromagnetism, strong interaction ("strong nuclear force"), weak interaction ("weak nuclear force") and gravitation.
Sign up now or Log in to leave a comment.
All Comments (1)
9 months, 1 week ago
shaggy
cool video thanks