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Homework Statement
A rectangular loop wire is placed next to a straight wire, as shown in the figure. There is a current of 3.5 A in both wire.
Figure: http://www.flickr.com/photos/65980314@N06/6020832477/
Homework Equations
F = ((mu(0)*I1*I2) / (2*pi*r)) * L
force in terms of current
The Attempt at a Solution
I broke it down to two forces F1 and F2 and then added them but I'm not getting the correct answer.