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FORCES ACTING INSIDE ATOMS In physics, a force is a push or pull on an object. There are four fundamental forces, three of which?the electromagnetic force, the strong force, and the weak force?are involved in keeping stable atoms in one piece and determining how unstable atoms will decay. The electromagnetic force keeps electrons attached to their atom. The strong force holds the protons and neutrons together in the nucleus. The weak force governs how atoms decay when they have excess protons or neutrons. The fourth fundamental force, gravity, only becomes apparent with objects much larger than subatomic particles. A Electromagnetic Force The most f
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submitted by kachhara (43 m) on 19 Mar 2008 13:29:04 IST (0 comments 69 views)
