A water drop in electrostatic orbit around a needle in 0𝑔pic.twitter.com/G2x3Ud195K
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Are you sure this is correct? The force due to induced polarization is ~ 1/r^5 for a point charge, and ~ 1/r^3 for a line charge, neither of which admits a stable orbit.
+ Coulomb's law --> orbit
the experimenter said that only the needle was charged in the video .. I had thought that the distance from the needle made it seem as a point charge to the needle
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but am i sure? well no.. i think a lot of it will depend on the charge distribution of the needle
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