law of conservation of energy

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law of conservation of energy

The scientist explains the law of conservation of energy using a simple pendulum.

Definition
  1. Noun:
    • The fundamental principle of physics that the total energy of an isolated system is constant despite internal changes: This law states that energy cannot be created or destroyed; it can only be transformed from one form to another or transferred between objects within a system. The total amount of energy in a closed system remains the same over time.
Usage Examples
  • Noun:
    • The operation of the engine can be explained by the law of conservation of energy.
    • In solving this physics problem, you must apply the law of conservation of energy.
    • The law of conservation of energy is a cornerstone of classical mechanics.
Advanced Usage
  • "to obey/uphold the law of conservation of energy": Describes a process or system that does not violate this fundamental principle.
    • Any perpetual motion machine proposal must first be checked to see if it obeys the law of conservation of energy.
  • "a consequence/direct result of the law of conservation of energy": Used to explain a phenomenon derived from this principle.
    • The eventual halt of the pendulum is a direct result of the law of conservation of energy and energy dissipation as heat.
Variants and Related Words
  • Conservation of energy (noun phrase): A more common, shortened form with the same meaning.
    • The principle of conservation of energy is universally applicable in physics.
  • First law of thermodynamics (noun phrase): In thermodynamics, this is a more general statement that encompasses the conservation of energy, including heat and work.
Synonyms
  • Principle of energy conservation: An alternative phrasing for the same fundamental concept.
Related Phrases
  • Energy cannot be created or destroyed: This is the common, succinct statement of the law.
    • Remember the fundamental rule: energy cannot be created or destroyed, only changed in form.
law of conservation of energy

The scientist explains the law of conservation of energy using a simple pendulum.

Noun
  1. the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes

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