MadSci Network: Engineering
Query:

Subject: Magnets and how they work with a battery operated on/off switch.

Date: Fri Apr 28 08:33:14 2000
Posted by Max Zapata
Grade level: 7-9 School: Rye Neck Middle School
City: Mamaroneck State/Province: NY Country: USA
Area of science: Engineering
ID: 956928794.Eg
Message:

I would like to create a 3 foot drag strip, made out of wood, and there 
would be two lanes, groved to fit cars that are about 3/4 inch wide.  The 
cars should be pulled by a magnet, that is controled by a on/off switch.  
I would like to create this, but I don't know how to control the magnets 
and the switch.  Please help.  Thanks.


Re: Magnets and how they work with a battery operated on/off switch.

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