Interaction - Physics

Physics

In physics, a fundamental interaction or fundamental force is a process by which elementary particles interact with each other. An interaction is often described as a physical field, and is mediated by the exchange of gauge bosons between particles. For example, the interaction of charged particles takes place through the mediation of electromagnetic fields, whereas beta decay occurs by means of the weak interaction. An interaction is fundamental when it cannot be described in terms of other interactions. There are four known fundamental interactions in Nature: The electromagnetic, strong, weak, and gravitational interactions. The weak and electromagnetic interactions are unified in electroweak theory, which is unified with the strong force in the Standard Model.

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Other articles related to "physics":

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Famous quotes containing the word physics:

    ... it is as true in morals as in physics that all force is imperishable; therefore the consequences of a human action never cease.
    Tennessee Claflin (1846–1923)

    Mathematics should be mixed not only with physics but with ethics.
    Henry David Thoreau (1817–1862)

    We must be physicists in order ... to be creative since so far codes of values and ideals have been constructed in ignorance of physics or even in contradiction to physics.
    Friedrich Nietzsche (1844–1900)