mechanics.gif (9492 bytes)

BALL ON A STRING






EQUIPMENT
    redball.gif (326 bytes) Ball on a string
    redball.gif (326 bytes) Metal Tube
   


NARRATIVE
            There is a wooden ball connected to the end of a 5 foot length of thin rope. The rope passes through a 4 inch piece of black metal tubing so that it can be swung around and shortened by pulling the rope through the tubing.