Τρίτος νόμος του Νεύτωνα
Τρίτος νόμος του Νεύτωνα
Original Khan Academy video: Newton's Third Law of Motion
https://www.khanacademy.org/science/physics/mechanics/v/newton-s-third-law-of-motion
Help us caption & translate this video!
http://amara.org/v/CL63/