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
Area of science: Engineering
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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