The charges on the upper part and the lower-left produce a force, which points towards the lower left.
The remaining two charges produce a force in the upper left direction.
Because of symmetry, these two forces have equal magnitude.
The distance to the center is given by:
dc = sqrt(2)(0.005) = 7.07 × 10-3.
What is the force F on the 1.0 nC charge in the middle of the figure due to the four other charges? Give your answer in component form.
Assume that x-axis is directed horizontally to the right, and y-axis is directed vertically upward.
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