Tiêu đề Copy of Dynamics I Lec 1.pdf ✅

Fundamental forces: A)Strong Nuclear force: It is the Strongest force from all the fundamental forces. It keeps the positively charged protons tightly packed in the nucleus of an atom. B)Electromagnetic Force: This force acts between electric charges. It includes both electric and magnetic forces. It can either attract or repel. C)Weak Nuclear Forces: This force is responsible for Radioactive decay. D)Gravitational Force: It is the force of attraction between all objects in the universe. The Gravitational Force is only noticed if at least one of the objects has a larger mass such as Planets, stars and moon.