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• ## Discussion

 0 answersPost by paul jordan on June 14, 2011solid presentation, generally. it is unclear to me why tau would have a non zed component--torque is a psuedo vector perpindicular to the plane of angular displacement, yes?

### Energy Consideration by Rotational Motion

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

• Intro 0:00
• Work Done By Torque 0:15
• Rigid Body Rotating about Z-axis
• Rigid Body Rotating about Z-axis
• Point p Rotates on Circle and Perpendicular to z
• Work Kinetic Energy Theorem for Rotational Motion 15:36
• Work Done By Torque
• Work Done By Net Torque=Kf-Ki
• Conservation of Mechanical Energy in Rotational Motion 21:41
• Conservation Force Acting
• Work Done by Gravity
• Work Done by Torque
• Power Delivered by Torque 27:12
• Power by Force
• Rotating Rod 30:03
• Rod Clamped at One End
• Angular Speed
• Moment of Inertia About Axis of Rotation
• Speed of Free End
• Another Rotating Rod 37:59
• Rod Standing on Surface
• End Does Not Slip
• Speed of Free End
• Strikes Ground
• Extra Example 1: Peg and String
• Extra Example 2: Solid Disk
• Extra Example 3: Rod and Sphere