Please check out the playlist containing updated videos on the same topic: [2015] Engineering Mechanics - Statics [with closed caption]
https://www.youtube.com/playlist?list=PLLbvVfERDon3mb73rkKIeFA8Q7yt-7tku
Dr. Wang's contact info: Yiheng.Wang@lonestar.edu
Cartesian vectors and operations. Coordniate direction angles. Unit vectors.
Danville Community College EGR 140 Engineering Mechanics - Statics
آی-ویدئو