Two identical positive charges and a negative charge are fixed at the vertices of an equilateral triangle in vacuum. Write down expression for the net electrostatic force Fnet on the negative charge in terms of forces F between the positive and negative charges.
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Two identical positive charges and a negative charge are fixed at the vertices of an equilateral triangle in vacuum. Write down expression for the net electrostatic force Fnet on the negative charge in terms of forces F between the positive and negative charges.
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