An Interesting Class On Circular Motion

Description
Physics behind the circular motion has been dealt with beautifully without going into detailed derivation.Cause of centripetal acceleration ,motion of planets are few other things. Experiment shows how centrifuge used in washing machines can dry clothes.The idea of perceived direction of gravity is something unusual. The examples of rotating bucket with water demonstrates this idea.

Prof. Walter Lewin, 8.01 Physics I: Classical Mechanics, Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed June 8, 2011). License: Creative Commons BY-NC-SA: http://ocw.mit.edu/terms/#cc