Centripetal acceleration with varying angular velocity.
Centripetal acceleration with varying radius.
Video by Rich Born
Associate Professor Emeritus
Northern Illinois University
For more information on Rich's turntable experiment, see his post "Using a 33-45-78 Turntable to Show that Centripetal Acceleration is Proportional to the Square of the Velocity and Inversely Proportional to Radius" in the User Generated Curriculum Forum page: http://support.thepocketlab.co...oportional-to-radius