Three charges are placed at the vertices of an equilateral triangle of side a=0.93m, as shown in figure. Charges 1 and 3 are 7.2 μC, charge 2 is -7.2μC. A) If charge 3 is moved to the origin, will the net force acting on it there be greater than, less than, or equal to the original net force? Explain B) Find the magnitude of the net force on charge 3 when it is at the origin. Express answer using two significant figures.

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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.