Pulleys

February 7, 2012

Wheels with grooves for belts or ropes are called pulleys.

The direction or speed of motion can be changed by pulleys.



Pulleys can be used to make cranes to lift weight.

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