Question
three point charges of 3µC, 8µC and -5µC are located at the corners of an equilateral triangle. calculate the net force on the 8µC
Answers
Vectorially add the two forces on the 8 uC corner due to the other corners. The 3 uC corner exerts a push
F1 = k*3*10^-6*8*10^-6/R^2
and the -5µC corner exerts a pull
F2 = k*3*10^-6*5*10^-6/R^2.
Ypu must specify R, the triangle side length, to get an answer.
k i the Coulomb constant.
F1 and F2 are 120 degrees apart. Define a coordinate system to explain directions.
F1 = k*3*10^-6*8*10^-6/R^2
and the -5µC corner exerts a pull
F2 = k*3*10^-6*5*10^-6/R^2.
Ypu must specify R, the triangle side length, to get an answer.
k i the Coulomb constant.
F1 and F2 are 120 degrees apart. Define a coordinate system to explain directions.
2nC
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