This movie is organized in 21 scenes.

• Scene 1:Define Torsion Member.
• Scene 2:Table of Contents.
• Scene 3:Define What is Meant By the Term "Pure Torsion".
• Scene 4:Discuss Some Characteristics of Torsion In a Circular Prismatic Shaft.
• Scene 5:Illustrate What is Meant By the Term "Angle of Twist".
• Scene 6:Discuss the Absence of Warping for Shafts Having Circular Cross Sections.
• Scene 7:Consider a Typical Point On the Outermost Surface Of a Shaft.
• Scene 8:Stress Element on Shaft Surface is In a State of "Pure Shear".
• Scene 9:Develop the Relationship Between Shear Strain and Angle of Twist.
• Scene 10:Show the Linear Variation of Shear Strain With Radial Distance.
• Scene 11:Show the Linear Variation of Shear Stress With Radial Distance.
• Scene 12:Show Shear Stress Acting On the Surfaces Of a Stress Element For the Shaft.
• Scene 13:Differential Moment dM Developed on Cross-Sectional Area dA.
• Scene 14:Integration of dM Over the Entire Cross Section.
• Scene 15:Relating Torque to Shear Stress.
• Scene 16:Torsion Formula.
• Scene 17:Polar Moment of Inertia For a Solid Circular Cross Section.
• Scene 18:Polar Moment of Inertia For a Hollow Circular Cross Section.
• Scene 19:Angle of Twist Formula.
• Scene 20:Summary of Key Equations.
• Scene 21:End of Movie.

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