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Introductory Physics Homework Help
Finding nearest neighbour equilibrium distance
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[QUOTE="Charles Link, post: 6069275, member: 583509"] The equilibrium distance for a system is normally found as the position where the potential energy is a minimum, so that ## \frac{dV}{dR}=0 ##. ## \\ ## Consider for example a mass on a spring in a gravitational field.: ## U=\frac{1}{2}kx^2+mgx ## . Taking derivative and setting equal to zero: ## kx+mg=0 ## ==>> ## x_{equilibrium}=-\frac{mg}{k} ##, which the spring constant equation also tells you the forces are balanced there. [/QUOTE]
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Introductory Physics Homework Help
Finding nearest neighbour equilibrium distance
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