thanks to jit ning for the video.
as i create a digital library for all ejss, ejs and trz.
http://weelookang.blogspot.sg/2014/07/tracker-circular-motion-break-model.html video author: jit ning, model author: lookang https://dl.dropboxusercontent.com/u/44365627/lookangEJSworkspace/lookangejss/02_newtonianmechanics_6circle/trz/CM_Breaklookang.trz model: |