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

The figure shows five point charges placed on a line, at intervals of 1 cm. For what values of q1 and q2resultant electrical force exerted on each of the three charges is zero?

2. Relevant equations

I imagine the law of coulomb is used here, however, I'm not sure how I'm supposed to tackle this one, since the resulting force on the given charges is zero. I guess, it gets confusing when you add more than 2 charges. Anyway, anyone have any hints to help me figure this one out?

3. The attempt at a solution

Haven't got an idea

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# Homework Help: Using 5 point charges, finding the charge of q1 and q2 using given force

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