Consider the following three charges arranged in a line: A) Draw and label all t

Question

Consider the following three charges arranged in a line: A) Draw and label all the electric force vectors acting on charges A, B, and C. Label them according to the form F_x on Y. Draw them to scale and remember Newton's Third Law. B) Calculate the magnitude and direction (left or right) of the TOTAL electric force on charge A. Prepare) (List necessary formula, what are the known quantities, and try to reason which direction the total force should be through graphical vector addition.) Solve) (Solve the problem clearly, explaining your thinking and showing algebraic steps) Assess) (Check that the result has correct units, is reasonable, and agrees with your drawing in .)

Explanation / Answer

B) Force on A due to Charge B = F1 = kq^2/r^2 = (9*10^9*10^-18)/0.01^2

F1 = 9*10^-5 N (Right)   

Force on A due to Charge C = F2 = kq^2/r^2 = (9*10^9*4*10^-18)/0.02^2

F2 = 9*10^-5 N (Left)

Hence net force on A = F1 - F2 = 0

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