Four Fundamental Forces

By Khan Academy from Khan Academy in ASTRONOMY , PHYSICS

This video belongs to the following courses: Cosmology and Astronomy, Light and Fundamental Forces

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The four forces: Gravity, Weak, Electromagnetic and Strong. In particle physics, fundamental interactions are the ways that elementary particles interact with one another. An interaction is fundamental when it cannot be described in terms of other interactions. The four known fundamental interactions, are electromagnetism, strong interaction ("strong nuclear force"), weak interaction ("weak nuclear force") and gravitation.

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2 years, 4 months ago
cool video thanks

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