Reel Changes March 29, 2011


There are 9 different combination of gear ratios possible with 3 different size gears.


Reel up the string with all 9 and record the number of turns.



Which 3 had about the same turns?  What did they have in common?
 

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