A 50-N force is directed along the line drawn from the point whose x, y, z coordinates arc (8.2.3) m to the point whose coordinates are (2, -6, 5) m. What is the scalar moments of the force about the y-axis? a. +167 N b.-167 N c. +137 N d.-137 N

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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.