Five charges are arranged as shown to the right. q1, q2, q3, and q4 each have a charge of -3.00 μC and are situated a distance of 5 cm, r, from q5. If the magnitude of q5 is +15 μC, what is the net force on q5? Show proof with calculations.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.