1. Determine the radius of the circle the object is traveling around. For example, a person might be hanging off the side of a merrygoround with a 10foot radius. 2. Determine the
http://www.ehow.com/how_6523006_calculatecircular...

Circular motion is due to the direction of a body/particle/object perpendicular to a radius of the circle drawn to the point of location of the object on the circle.
http://wiki.answers.com/Q/What_causes_circular_mot...

( ′yü·nə′förm ′sər·kyə·lər ′mō·shən ) (mechanics) Circular motion in which the angular
http://www.answers.com/topic/uniformcircularmoti...

A little video illustrating how the unit circle and sine wave are linked (the sine wave describes the 'height' of the point that is traced on the unit circle if you will) A demo of
http://www.quora.com/Mathematics/Whyisoscillator...
