(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Two identical dipoles, each of charge q and separation a, are a distance x apart as shown in Fig. By considering forces between pairs of charges in the different dipoles, calculate the net force between the dipoles. (a) Show that, in the limit a<<x, the force has a magnitude of 6kp^2/x^4, where p=qa is the dipole moment. (b) Is the force attractive or repulsive?

2. Relevant equations

F= kqq/r^2

E= kp/r^3

__|a_|_________|_a|___

--[- +]----------[- +]--

___|______x_____|____

3. The attempt at a solution

Not sure where to start

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# Force Between Two Dipoles

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