Class 11 Physics Physical World Conserved Quantities

Conserved Quantities

Physics gives laws to summarize the investigations and observations of the phenomena occurring in the universe.

  • Physical quantities that remain constant with time are called conserved quantities. Example, for a body under external force, the kinetic and potential energy change over time but the total mechanical energy (kinetic + potential) remains constant.
  • Conserved quantities can be scalar (Energy) or vector (Total linear momentum and total angular momentum).

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