The strategy to use when calculating the force exerted by a set of several point

Question

The strategy to use when calculating the force exerted by a set of several point charges is to find first the forces exerted by each of the point charges individually. The force exerted by the entire set of charges is the net force resulting from the forces exerted by the individual charges. The forces from the individual charges in this problem are shown in the diagram below. The chare q_2 exerts a repulsive force F right arrow 12 on q_1 as shown in the diagram. The distance separating these charges is F_12 = 0.301 m so the magnitude of this repulsive force is given by the following equation where K_e is the Coulomb constant in SI units. F_12=ke |q_1||q_2|/r_12^2

Explanation / Answer

F12 = (8.99 x 109) (q1q2) / (0.301)2 = 99.23 x 109 (q1q2)

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