
Concept explainers
The x and y component of the net electric force that acts on the third charge Q3.

Answer to Problem 53QAP
The x -component of the net electric force is
Explanation of Solution
Given:
Three charges are located as shown in figure
Formula used:
From Coulomb's law
Calculation:
Force on charge Q3 due to charge Q1.
Charge 1 and charge 3 have the same sign, the repulsive force on the charge 3 due to charge 1 have direction in the third quadrant. So,
Force on charge Q3 due to charge Q2.
x component of net force on charge Q3 :
y component of net force on charge Q3 :
Conclusion:
The x -component of the net electric force is
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