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Two metal balls carry charges of 3x10^-6 C and -6x10^-6 C. Their centers are 1 meter apart. What is the electrical force between them?

Electrical force is ______ ______.

Is the force between them attractive or repulsive? _________

1 Answer

  • 2 months ago
    Favorite Answer

    unlike charges attract.

    F = (9e9)(3e-6)(6e-6) / (1)² = 27•6e-3 = 0.156 N

    Coulomb's law, force of attraction/repulsionF = kQ₁Q₂/r²

       Q₁ and Q₂ are the charges in coulombs

       F is force in newtons

       r is separation in meters

       k = 8.99e9 Nm²/C²

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