What is the meaning of law of conservation of energy?

The fundamental principle of physics that the total energy of an isolated system is constant despite internal changes.
- synonyms: conservation of energy, first law of thermodynamics

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APA	WordNet. (2010). law of conservation of energy. Retrieved September 27, 2026, from http://smartdefine.org/law_of_conservation_of_energy/definitions/1290725
Chicago	WordNet. 2010. "law of conservation of energy" http://smartdefine.org/law_of_conservation_of_energy/definitions/1290725 (accessed September 27, 2026).
Harvard	WordNet 2010, law of conservation of energy, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/law_of_conservation_of_energy/definitions/1290725>.
MLA	WordNet. "law of conservation of energy" 23 October 2010. Web. 27 September 2026. <http://smartdefine.org/law_of_conservation_of_energy/definitions/1290725>

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