< Energy and momentum: Quiz 1 Sphere. B Choose 1 answer: C h X Consider system A, defined as the ball M, and system B, defined as the ball 2M. Sphere Which of the following best describes the change in the total energy of the two systems? P The change in the energy of system A is greater than the change in the energy of system B. The change in the energy of system B is greater than the change in the energy of system A. The change in the energy of system A is the same as the change in energy of system B.

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Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.