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rest energy vs free energy

free energy vs rest energy

rest energy and free energy both are nouns.

Word NounAdjectiveVerbAdverb
rest energy Yes No No No
free energy Yes No No No
As nouns, free energy is a hypernym of rest energy; that is, free energy is a word with a broader meaning than rest energy:
  • rest energy: the energy equivalent to the mass of a particle at rest in an inertial frame of reference; equal to the rest mass times the square of the speed of light
  • free energy: (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
Other hypernyms of rest energy include energy.
rest energy (noun) free energy (noun)
the energy equivalent to the mass of a particle at rest in an inertial frame of reference; equal to the rest mass times the square of the speed of light (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
Difference between rest energy and free energy

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