Coulomb's law remains tricky to test at home

Automated excerpt

After all, Coulomb's law deals with point charges. If we have two charged particles q1 and q2, then observations like two charged balloons tells us that there should be a force between the two charged particles. For example, Newton's law of gravity reads that the force between two bodies is\(F = G\,\frac{m_1 m_2}{r^2}\)And so then the question is - how would you check that Coulomb’s law indeed obeys inverse square law?

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