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AP Physics C: E&M
8.1 Electric Charge and Electric Force
BeginnerMCQMathematical16.8k
A horizontal straight line representing the x-axis with a rightward arrow at the far end labeled x. Three point charges are drawn as small shaded circles positioned along the axis. The first charge, labeled q_1 = +q, is at x = 0. The second charge, labeled q_2 = -q, is located to the right at x = d. The third charge, labeled q_3 = +q, is located further to the right at x = 3d. Double-ended horizontal dimension arrows show the distance d between x = 0 and x = d, and the distance 2d between x = d and x = 3d. No other labels, lines, text, or axes appear.
Three point charges positioned along the x-axis.
Three point charges are fixed along the \(x\)-axis: charge \(q_1 = +q\) is located at \(x = 0\), charge \(q_2 = -q\) is located at \(x = d\), and charge \(q_3 = +q\) is located at \(x = 3d\), where \(d > 0\). Which of the following correctly ranks the magnitudes \(F_1\), \(F_2\), and \(F_3\) of the net electrostatic forces acting on charges \(q_1\), \(q_2\), and \(q_3\), respectively?

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