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Prip_792
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Homework Statement
The potential energy of a system of two particles is inversely proportional to their separation, d. Find an expression for the radial force that each particle exerts on the other.
Homework Equations
The Attempt at a Solution
I'm really stuck on this one guys (and girls). PE=1/d, or at least I'm pretty sure. But how does that relate to the radial force?