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OpenStudy (kittiwitti1):
Does anyone know how to trigger a ball bearing to move from a solenoid? (Rube Goldberg machine; NO FLAME, NO SOUND)
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OpenStudy (danjs):
If you want it to 'stick' to the solenoid, apply a current through it. If you want the bearing to 'move away' maybe through gravity, cut off the current to the solenoid. |dw:1419829877500:dw|
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