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Spin that rotor. What forces act on a rotor when it seems to hover over the base almost frictionless?
The floating magnet comprises a rotor and a base that both contain ingeniously located magnets. Thanks to the repelling action of the magnets, you can make the rotor float above the base. What do the magnets look like and how are they located in the rotor and base respectively? What is the weight of the base with and without rotor?
Material: Plastic.
Dimensions: Base 8x12.5 cm, rotor 14 cm long.