Question
Find the total Coulomb force on the charge $q$ in Figure 18.52, given that $q = 1.00 \textrm{ }\mu\textrm{C}$, $q_a = 2.00 \textrm{ }\mu\textrm{C}$, $q_b = -3.00 \textrm{ }\mu\textrm{C}$, $q_c = -4.00 \textrm{ }\mu\textrm{C}$, and $q_d = +1.00 \textrm{ }\mu\textrm{C}$.The square is 50.0 cm on a side.
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$0.102 \textrm{ N, down}$

Solution Video