Physics 9702 · AS & A Level · Energy conservation

Energy conservation — practice question

What is meant by the internal energy of an object?

  • AIt is the energy associated with the object’s movement through space.
  • BIt is the energy associated with the random movement of the molecules in the object.
  • CIt is the energy due to the attractions between the molecules in the object.
  • DIt is the sum of all the microscopic potential and kinetic energies of the molecules in the object.

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