How to build a simple electric motor, plus how it works.



Uploaded by: dcolarusso
Video Description:
The Tabletop Explainer is an intermittent educational vlog presenting answers to viewer questions, brief science lessons, and ideas for teachers and students. It is a feature of my blog "Tilts at Windmils" which can be found at http://www.davidcolarusso.com/blog/


Tags for this video: demos electric experiments explainer motor physics science simple tabletop

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Comments for this video on YouTube
Nice setup, by the ... ( 3 weeks ago by Sniper2008009)
Nice setup, by the way can you tell me what song is used for this video? I really like the background music especially with it's "jazz" feel in it..thx
look at 2:05 ( 3 weeks ago by zeldaisthebest)
look at 2:05
The song is "Time ... ( 3 weeks ago by dcolarusso)
The song is "Time to Funk" from Trafic de Blues, as mentioned in the credits and you can find them over at Jamendo.
yes faster faster ( 3 weeks ago by marcino22121991)
yes faster faster
gay ( 3 weeks ago by whiteboy1298)
gay
perpetual motion is ... ( 3 weeks ago by HalfScottishGuy)
perpetual motion is physically impossible.
wut did u strip. ... ( 3 weeks ago by paczman2life)
wut did u strip. the two ends ???? i need help this is my science project :((
could u do it wid a ... ( 3 weeks ago by diabolomanpaino)
could u do it wid a battery
you sound like dave ... ( 3 weeks ago by eyeieuan)
you sound like dave off dude wheres my mount
in this video you ... ( 2 weeks ago by muzike02)
in this video you can see the application of electromagnets and electromagnetic induction
in electromagnet if there is an iron surrounded by a coil that has a current flowing in it causes the iron to become a magnet and while in electromagnetic induction the change in the magnetic field induce electricity.
so more loops of coil more electricity and magnetic field so the coil moves faster
U DIDNT EVEN SHOW ... ( 2 weeks ago by gilroys6)
U DIDNT EVEN SHOW US HOW TO MAKE IT
I made one in about ... ( 1 week ago by dax000ah)
I made one in about 10 minutes but it took a lot of tweaking to get the right balance and distance of the loop from the magnet. It works though.
you do not explain ... ( 1 week ago by littleteddy9)
you do not explain how you make it i tought you were the table top explainer
why are you telling ... ( 1 week ago by littleteddy9)
why are you telling people that and how do you know that?
Ok I have a good ... ( 1 week ago by SteliosRulez)
Ok I have a good question.
Is it just a cirle of the same material cause if it is then what you showed is impossible.
Electrons will not move from the back direction on the down side of the circle, they will move on the same side and the forces will exterminate each other.. enlighten me plz ...
smartass ( 1 week ago by boobleplatz)
smartass
OMG It's so easy to ... ( 1 week ago by jusk2ru)
OMG It's so easy to make!!! Actually when I was 7 I use to make this cind of stuff...
The wire is ... ( 1 week ago by bzzzb)
The wire is insulated with plastic so the electrons have to go in a circle.
my question is, is ... ( 6 days ago by jackanywhere)
my question is, is it possible to spin a dynamo without using any outside source, like ; wind ,or water, or fuel like gas , and how about if I'm going to spin the dynamo using it's own energy to spin it self. can it be possible ?
I don't have sound ... ( 6 days ago by ryannh9)
I don't have sound working on my computer yet, so I don't know what he said, but:
You're wrong. This doesn't necessarily have anything to do with induction or electromagnets.
It has to do with the Lorentz force that describes the force on a moving charge in a magnetic field.
More loops -> more moving charges -> more torque -> coil moves faster.
Or if you could reduce the resistance in the wires you get
faster moving charges -> more torque -> coil moves faster
if I push something ... ( 6 days ago by ryannh9)
if I push something, will it move towards me?
Oops, These were ... ( 6 days ago by ryannh9)
Oops, These were replies to previous posts.
Clearly, I have yet to master the procedure for commenting on youtube.
What would this ... ( 4 days ago by TooGooD360)
What would this experiment be defined as? Would it be under electromagnetism?
That is exactly ... ( 1 day ago by trickflame)
That is exactly correct, in fact this is about the opposite of electromagnetism. In electromagnetism they use electricity to make a magnet, here they use it to create motion.




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