In the image at right, two balls of equal mass are shown attached to a baton of negligible mass in two different configurations. The only difference between configurations A vs. B is that the balls are in different positions on the baton.. The dotted lines indicate the axes of rotation in each configuration. (a) (2) B. Is the moment of inertia about the dotted line greater in A, B, or are they the same? Explain. Can you define an axis of rotation about which the moments of inertia of the two (b) would be the same?

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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.