What does the electrical force between two charged objects depend on?


Quick Answer

The electric force between two charged objects depends on the attraction between the relative abundance of electrons in one object and protons in the other, or on the repulsion of an overabundance of like particles in both. Oftentimes, this force arises from the transfer of electrons from one of the objects to another. A balloon attracting hair after they're rubbed together is one example, as is the formation of salt.

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Full Answer

The electric force is vastly important and is an essential component in the behavior and existence of matter, according to the HyperPhysics site by Georgia State University. Electrons are held in their orbits around atoms by the electric force between them and the protons in the nucleus. In every case where electric charges, and thus electric forces, arise, there are unequal numbers of electrons and protons in an object or in one region of an object. This inequality is the charge, and it is attractive to the opposite charge and repulsive to the same charge.

The only known phase of matter not dominated by electric forces is plasma, where thermal or other energy is so intense that charged particles are dissociated from each other and move relatively freely in respect to one another. In all states of lower energy, the electric force is strong enough to force electrons and protons into associations with one another.

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