A 1.10 μC charged 1.00 g cork ball is suspended vertically on a 0.500 m long light string in the presence of a uniform downward-directed electric field of magnitude E = 9.90x105 N/C. If the ball is displaced slightly from the vertical, it oscillates like a simple pendulum. (b) Find the magnitude of the electric force on the ball due to the electric field.

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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.