I want to know since magnets move metal stuff to them or away from them, can I use that to turn a metal wheel?
Original Q at this link:
http://answers.yahoo.com/question/index;_ylt=ArV8dbbI2fwJNzpaw1nPIxvsy6IX?qid=20060620114852AAAJtVq
If it really can't be done tell me why... (in english please)
2006-06-20 08:10:39 · 11 answers · asked by Am 4 in Science & Mathematics ➔ Physics
If you have one point on the wheel negatively charged, and move a positively charged magnet around it, it would move.
Or, if you want something less manual, you can motorize one wheel w/ alternationg positive and negative charges around the edges, and then have another identical wheel on an axle right next to it, so as the first wheel turned, the second one would have to turn so that the opposite charges would line up.
I'm not sure if the second one would work, but i tried. Good luck! =D
2006-06-20 08:24:46 · answer #1 · answered by pseudonym 5 · 1⤊ 0⤋
Electric motors do this with electromagnets by alternating the voltage between positive and negative. With fixed magnets such a wheel would find a point of stability where the magnetic fields are most attracted to each other and stop moving. There would be no repulsion in that position to force the wheel to keep turning.
--
TAZ
2006-06-20 08:19:01 · answer #2 · answered by tzircher 2 · 0⤊ 0⤋
Theoretically, I suppose. It would have to be designed in a way so that your magnets would push the wheel by repelling magnets on the wheel. That's more engineering. Magnets are used to move things like magnetic levitation trains, but this is a slightly different concept which requires electricity to create an electromagnetic field.
2006-06-20 08:18:12 · answer #3 · answered by the glob 1 · 0⤊ 0⤋
the wheel will need to have the same polarity as the magnet so they can repel each other and therefore make the wheel turn, but...just shoving the magnet into the wheel wont work because once the wheel turns to a side with opposite polarity, it will attract to the magnet and cause it to stop...so just find a way to keep the magnet turning so its always making itself and the wheel repel
2006-06-20 08:14:07 · answer #4 · answered by dknessfalls 1 · 0⤊ 0⤋
Yes it can. Your metal wheel would be the equivalent of an armature inside of a motor.
2006-06-20 08:20:19 · answer #5 · answered by Shaula 7 · 0⤊ 0⤋
that's how electic motor operates. but you need outside electricity to change the polarity to keep the thing rotating.
with static magnets, the wheel will just rotate to whatever is the stable position for it, and remain this one.
2006-06-20 08:15:51 · answer #6 · answered by Anonymous · 0⤊ 0⤋
This is the principle used to turn current into motion, or motion into current.
Look at the wiki on dynamos & motors, or check out this link (which has a weird English accent)...
http://www.bbc.co.uk/scotland/education/bitesize/standard/other/sos/physics/electricity/index.shtml
2006-06-20 08:17:51 · answer #7 · answered by Anonymous · 0⤊ 0⤋
There is NO WAY do build a Perpetum Mobile. It has been rejected many times by different unions, including the Pope.
2006-06-20 08:15:21 · answer #8 · answered by Christian G 2 · 0⤊ 0⤋
www.rally.cc/elite.pdf
this is a detailed explanation of what you are asking hope u have adobe its in pdf format
its called alfa elite frirst page
2006-06-20 08:16:01 · answer #9 · answered by triplexxxo6 2 · 0⤊ 0⤋
No, you can only attract the north side to attract the south side!
2006-06-20 08:14:16 · answer #10 · answered by Ashley H 1 · 0⤊ 0⤋