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

Q1-----Q2-----Q3; Q1=1.78E-6C;Q2=Q3=-Q1, r1=r2=1.82m

Calculate the total force on Q2. Give your answer with a positive number for a force directed to the right.

2. Relevant equations

F= kq1q2/r^2

3. The attempt at a solution

F2 = F12+F23

F12 = k(1.78E-6)(-1.78E-6)/(1.82^2)

F23 = k(-1.78E-6)(-1.78E-6)/(1.82^2)

The problem is these forces cancel and I know that they shouldn't, so I am sure is some thing I am just not seeing here.

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# Homework Help: Electric force on a charge

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