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October 24, 2014

Homework Help: physics

Posted by Jessica on Wednesday, February 20, 2008 at 1:32am.

There are two +q charges and two -q charges on the corners of a square of size a. Left upper corner= +q charge, right upper corner= -q charge, left lower corner= -q charge, and right lower corner= +q charge. Compute the net force on each charge.

I know that F= 9x10^9 Nm^2/C^2 x qaxqb/r^2 and that all the charges are attracted to eachother. so would i just find the forces for each charge using that equation, but how do i deal with it pulling in different directions?

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