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IPC Fundamental Forc
TEKS I.5D
| Term | Definition |
|---|---|
| Fundamental forces | govern the interactions between all objects in the universe; gravitational, electromagnetic, strong nuclear, weak nuclear |
| gravitational force | pulls objects with mass toward each other; weakest force; attractive force |
| electromagnetic force | physical interaction that occurs between electrically charged particles; attractive or repulsive force |
| strong nuclear force | binds protons and neutrons together to form a nucleus; strongest force; attractive force |
| weak nuclear force | responsible for radioactive beta decay; weak force, only stronger than gravity; attractive force |
| fission | a reaction in which the nucleus of an atom splits into two or more smaller nuclei |
| fusion | two light nuclei merge to form a single heavier nucleus |