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Physics
Classical Physics
Electromagnetism
Bar magnet made from smaller opposing bar magnets
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[QUOTE="KDPhysics, post: 6477262, member: 671386"] Actually fridge magnets are made like this. Here's a fun experiement to do. Take two fridge magnets and try to slide one on top of the other. In one direction the movement will be smooth, in the other it will be quite "zig-zaggy" if that makes sense. This is because fridge magnets are stacks of magnets with alternating poles:[ATTACH type="full" width="277px"]280955[/ATTACH] If you arrange the two magnets so that the red and white stripes are aligned, then you will feel the zig zag motion. This is because in one part of the movement the north poles of one magnet will be aligned with the north poles of the other magnet causing a repulsion. As you start to move they will misalign, and the north pole will be closer to the south pole, thus you will feel an attraction. If you arrange the magnets so that in one the stripes are horizontal, in the other they are vertical then you will not get this effect as there won't be an alignment of poles. [/QUOTE]
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Physics
Classical Physics
Electromagnetism
Bar magnet made from smaller opposing bar magnets
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