Author: video: sengailin; model: lookang
Contact: weelookang@gmail.com
More information at: http://weelookang.blogspot.com/2014/10/car-rolling-down-slope-and-stop.html
Tracker Experiment
Author: video: sengailin; model: lookang
Contact: weelookang@gmail.com
More information at: http://weelookang.blogspot.com/2014/10/car-rolling-down-slope-and-stop.html