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My stat mech book does a problem where it calculate this quantity F for a system of particles restricted to move in one dimensions using the equation [itex] F = \frac{\partial A}{\partial L} [/itex] where A is the helmholtz free energy. What I am confused about is that I thought F represented tensions, and does tension make sense when you have just a collection of particles moving in 1D i.e. I thought tensions only made sense in the context of strings?

2. Relevant equations

3. The attempt at a solution

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# Homework Help: What is tension in stat mech?

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