1. Strong Nuclear Force: This force is responsible for holding the nucleus of an atom together, overcoming the electrostatic repulsion between protons. It is the strongest of the four forces but acts over very short distances.
2. Electromagnetic Force: This force governs the interactions between electrically charged particles. It is responsible for phenomena like electricity, magnetism, and light. It is much weaker than the strong force but acts over longer distances.
3. Weak Nuclear Force: This force is responsible for radioactive decay, a process where unstable atomic nuclei transform into more stable ones. It is weaker than the electromagnetic force and acts over very short distances.
4. Gravitational Force: This force governs the attraction between objects with mass. It is the weakest of the four forces but acts over long distances, holding galaxies together and influencing the movements of planets.
These four forces govern all known interactions in the universe. While physicists continue to explore potential interactions beyond these four, they have successfully explained a vast range of phenomena using this framework.
