- de 10mn, Cours, Débutant, English, Physique, Video Fundamental Forces of Physics 11 April 2014 antoinevillette2013 6 videos. [youtube http://www.youtube.com/watch?v=videoseries?list=PLsNB4peY6C6JDc1HcVKjjYzVB0BYEXexd&w=640&h=360]