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• ## Discussion

 2 answersLast reply by: Jingwei XieMon May 12, 2014 9:07 PMPost by liqun zhu on May 4, 2013Is there anyway I can increase the play speed of this video? 0 answersPost by Abdelrahman Megahed on November 28, 2012In extra example II weren't you asked only to calculate rotational kinetic energy of the system (which I am guess it shoud be Krot of rod only). How come the translational KE was added? 0 answersPost by Ali barkhurdar on November 4, 2012Great. 0 answersPost by Riley Argue on November 3, 2012Great lecture.

### Rotation of a Rigid Body About a Fixed Axis

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
• Particle in Circular Motion 0:11
• Specify a Position of a Particle
• Angular Displacement
• Rotation of a Rigid Body 15:36
• Example: Rotating Disc
• Disk at 5 Revolution/Sec
• Different Points on a Disk Have Different Speeds
• Angular Velocity
• Constant Angular Acceleration: Kinematics 31:11
• Rotating Disc
• Object Moving Along x-Axis (Linear Case)
• If Alpha= Constant
• Rotational Kinetic Energy 42:11
• Rod in X-Y Plane, Fixed at Center
• Kinetic Energy
• Moment of Inertia
• Moment of Inertia for Certain Shapes 54:06
• Rod at Center
• Ring
• Disc
• Cylinder
• Sphere
• Extra Example 1: Rotating Wheel
• Extra Example 2: Two Spheres Attached to Rotating Rod