Engine hoist analysis. Solution to engineering mechanics frames and machines problem. Hibbeler 6-79

Engine hoist analysis. Detailed explanation and solution to a textbook frames and machines problem.
Hibbeler Engineering Mechanics: Statics. Problem 6-79
0:00 Introduction
2:57 Drawing the first FBD
3:39 Adding the reaction forces to the first FBD
4:59 Identifying 2-force members
7:22 Applying the equations of equilibrium to the first FBD
10:17 Drawing the second FBD
11:44 Obeying Newton's 3rd Law for connected FBDs of connected bodies
13:55 Another 2-force member
15:37 Applying the equations of equilibrium to the second FBD
16:55 Summarising and rounding final answers
17:55 Looking at some real hoists