Draw free body diagrams

Free-Body Diagrams – Read the paper on free-body diagrams by Albert Lee in its entirety (except for the last page) and draw free-body diagrams for four different situations using the method described in the paper, and write down Newtons 2nd law for each one.

Albert Lees’ paper is below and is attached:
file:///C:/Users/nperez/Downloads/AlbertLeePaper%20(1).pdf