Four point masses are arranged in a square of side length L as shown. All of the masses are in the xy-plane.  Mass 2 and Mass 4 have mass of 4.6 kg, and Mass 1 and Mass 3 have a mass of 1 kg. If the side length L is 2.5 m, find the KE of the system if the point masses are rotated as a system around the y-axis

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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.