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Name of total energy of a system

  1. Dec 5, 2015 #1
    1. The problem statement, all variables and given/known data
    This isn't a math problem but just a vocab question, what is the total energy of a system called?

    2. Relevant equations

    3. The attempt at a solution
    In the physics textbook by resnick and halliday, they define mechanical energy of a system as the energy of a certain Configuration and equates it to KE + PE.

    What I am searching for is mechanical energy plus internal energy of a system (which would include the heat that results from a nonconservative force acting on an object in the system), hence "total energy"
  2. jcsd
  3. Dec 5, 2015 #2
    The energy which is provided by heat increase the KE (particles motion)of the system, thus total energy of system is equal to KE + PE.
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