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the force correponding to the potential energy function

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Please see the attached file.

5. Evaluate the force correponding to the potential energy function V(r) = cz/r^3, where c is a constant. Write your answers in vector notation, and also in spherical polars, and verify that is satisfies curl F = 0.

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It shows how to evaluate the force correponding to the potential energy function V(r) = cz/r^3. It further verifies that the curl of the force field is 0. The solution is detailed and well presented.

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