Hi, I am trying to find information on creating an electromagnetic latch. Allow me to explain using object A and object B. I would like object A to have a permanent magnet that attracted an iron bar on object B. The iron bar would be the core of an electromagnet. When power is applied, I am hoping there is enough of a disruption in the attractive force to separate object A from object B. Does this sound feasible? In searching the internet, I am coming across a lot of questions asking about levitation. This is not what I'm interested in, I simply want to disrupt the attraction long enough for object B to fall away with gravity. Any thoughts?
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