February 22, 2005
The teacher can make electricity.
It is saved up in a LEGO capacitor.
Used to power the motor on one group's car, it goes back and forth from one end of the room to the other.
The same eLab pieces can make a winch.
A car can be powered directly using a motor as a generator.
http://netapps.marshall.edu/lego/lessonplans/generate01.html
The motor from the Motorized Simple machine set takes gearing down to be able to used as a generator.
Car winch
These two are trying a challenge to make a lever work so that pressing down on the low level
makes the top lever rise.