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The uniqueness of a magnet? Let me tell you why. |
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| Nov25-12, 04:41 PM | #18 |
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The uniqueness of a magnet? Let me tell you why.sophiecentaur do you realize "magnets" are probably the only known material to repel and attract its own(Of my own knowledge). No cable( without electricity) can do that, and no wall plug can do that too! Plus that is a long lasting effect that stays easily for 50 years and more depending on the material and state. |
| Nov25-12, 04:59 PM | #19 |
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The parts in wall plugs (and everything else solid) attract and repel each other, otherwise those objects would evaporate immediately. |
| Nov25-12, 05:33 PM | #20 |
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| Nov25-12, 05:42 PM | #21 |
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| Nov25-12, 06:34 PM | #22 |
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Mentor
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http://hyperphysics.phy-astr.gsu.edu...ic/engfie.html Btw, your reasons why magnets are unique pretty much all apply to gravity also. |
| Nov25-12, 08:28 PM | #23 |
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| Nov25-12, 08:33 PM | #24 |
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You can't find a material that has a invisible strong force present besides its electrical force. |
| Nov25-12, 08:45 PM | #25 |
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I personally think ALL forces of nature are equally mind blowing. You can't really say one stands out more than another. They're all significant and amazing.
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| Nov25-12, 11:10 PM | #26 |
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Surprised nobody has referenced the interview where Feynman was asked about the behavior of magnets... he gets right into the magnet part after about four minutes.
magnets Oh, Miyz, if you really, really like magnets, take a look at this... Zen Magnets |
| Nov26-12, 08:33 AM | #27 |
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Mentor
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| Nov26-12, 08:39 AM | #28 |
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This thread is beginning to sound like a game of top trumps!
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| Nov26-12, 08:49 AM | #29 |
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Models of "what really is happening there" are speculation.
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| Nov27-12, 07:41 PM | #30 |
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1. Magnets totally rule. 2. MAGNETIC FORCES DO NO WORK. I'm not sure if this was a point of confusion for you, but I had to throw it out there, cause it cracks me up. 3. Your comparison of a spring which apparently does nothing, and a magnet which miraculously attacts/repels other magnets, merits a response. It seems like what's really astounding you is the action at a distance thing. If I drop a spring into a tight gap between two slanted walls, so that the ends are close normal to the walls, it will exert a force on the walls. If you drop a magnet near other magnets, it does attract/repel them. Not so different now, huh. Give springs some cred. |
| Nov28-12, 09:55 AM | #31 |
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An Austin 7 beats an E Type Jaguar on the grounds of age and fuel consumption.
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| Nov28-12, 11:54 AM | #32 |
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Yea forgive me while writing that down forgot a debate I had earlier in another post. I meant generally magnet have a potential energy that tend to attract magnets and metals. Now interms of the magnetic force doing work... After a long long discussion I agreed its due to the change in B it induced electrical fields that interms does all the work. |
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