This movie is organized in six scenes.
- Scene 1:State the Problem to Be Solved.
 - Scene 2:Plan the Solution.
 - Scene 3:Table of Contents.
 - Scene 4:Polar Moment of Inertia.
 - Scene 5:Allowable Torque.
 - Scene 6:End of Movie.
 
To skip directly to a particular scene, select it from drop down menu above.