What is Superposition principle?
[[File:Anas platyrhynchos with ducklings reflecting water.jpg|thumb|Superposition of almost [[plane wave]]s (diagonal lines) from a distant source and waves from the waves of the [[duck]]s. [[Linearity]] holds only approximately in water and only for waves with small [[amplitude]]s relative to their [[wavelength]]s.]] In [[physics]], the '''superposition principle''' states that if there are two or more stimuli at a given point in time, the response will be the result of adding all the responses. This only applies to [[linear system]]s. Since many systems can be [[model]]led as linear systems, the principle has many applications in physics and [[engineering]]. {{science-stub}} [[Category:Physics]] Superposition principle: The principle states that the total force on a given charge is the vector of the individual forces exerted on the given charge by all other charges. Each individual force between any two charges is calculated from Coulomb's law tattoos and is not affected by the presence of other charges