The line of action of the 5340-lb force runs through the points A and B as shown in the figure. Determine the x and y scalar components of F. y, m B (12, 10) F = 5340 lb -x, m A (-7, -2) lb lb Answers: Fx = i Fy= i

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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.