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+1 vote

Find the force on points of a triangle

Three equal charges having charge q are placed on the three corners of a regular right angled triangle . Find the force on B due to A & C

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Answer : (b) $\;\large\frac{k\;q^2}{a^2}\;(-\hat{i}-\hat{j})$
Explanation : $Force\;on\;B = F\;due\;to\;A + F\;due\;to\;C $
$=\large\frac{k\;q^2}{a^2}\;(-\hat{j})+\large\frac{k\;q^2}{a^2}\;(-\hat{i})$
$=\large\frac{k\;q^2}{a^2}\;(-\hat{i}+-\hat{j})\;.$

 

answered Jan 30, 2014 by yamini.v
edited Aug 21, 2014 by thagee.vedartham
 

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