Gears
and
Balance

April 19, 2011

Gears can move the same way

or opposite,

To balance

big needs to be closer to the middle than small.

Different gears go different speeds.

of Linda Hamilton hamilton@marshall.edu With support from  Webpages and pictures on http://www.marshall.edu/LEGO Web camera on http://legocamera.marshall.edu Teleoperate AppaLEGO CITY at http://lego.marshall.edu NASA site of Remote Sensing on http://SENSORSCITY.marshall.edu