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4. Coulomb's Law

# 4. Coulomb's Law - Coulomb's Law(1 Electrostatic force...

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Coulomb’s Law (1) Electrostatic force between two charged particles: F = 1 4 πǫ 0 | q 1 q 2 | r 2 = k | q 1 q 2 | r 2 Permittivity constant: ǫ 0 = 8 . 854 × 10 12 C 2 N 1 m 2 Coulomb constant: k = 8 . 99 × 10 9 Nm 2 C 2 + + + q q 1 2 F F 12 21 r + Action-reaction pair of forces: v F 21 = - v F 12 . Newton s law of gravitation Gravitational force between two massive particles: F = G m 1 m 2 r 2 Gravitational constant: G = 6 . 673 × 10 11 Nm 2 kg 2 7/1/2008 [tsl4 – 1/2]

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Coulomb’s Law (2) Coulomb’s law for electrostatic force in vector form: v
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4. Coulomb's Law - Coulomb's Law(1 Electrostatic force...

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