Conservation Of Energy Summary



  • When objects interact…
    • energy can change form (energy transduction)
    • energy can be transferred (energy transfer)
  • Conservation of Energy
    • A decrease in one form of energy will result in an increase in another form of energy of equal magnitude.

    ΔE1 = −ΔE2

    • The total energy of a closed system is a constant.

    E = ∑E0 = constant

    • Energy can neither be created nor destroyed.
  • The law of conservation of energy has some advantages in solving certain problems.
    • It does not care about the mechanism or cause of the energy transformation or transfer.
    • It does not care about the time it takes for energy to change form or location.

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