In the Coulomb's Law Apparatus for physical science and physics, observe and quantitatively measure the force of attraction or repulsion between two charged bodies. Discover Coulomb's law for yourself.
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Coulomb's law states that the force of attraction or repulsion between two charged bodies is proportional to the magnitude of the charges and inversely proportional to the square of the distance between them. This device will allow students to not only observe this phenomenon, but quantitatively measure it. Apparatus includes a rugged wooden base, rigid fiberboard housing, parallax eliminating mirror, metric scale, grid, hardboard and Lucite tops, acetate and vinyl strips, pith balls, fabric squares, monofilament, and polyethylene insulators. Complete instructions provided.