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For more information, please see full course syllabus of AP Physics C/Mechanics
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Lecture Comments (1)

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Post by paul jordan on June 16, 2011

good lesson--great examples; wish the point that rolling motion is independent of mass and radius was made explicit. I think rolling speed is independent of frictional constant as well.

Rolling 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
  • Pure Rolling Motion 0:10
    • Disc Rolling on a Surface R (Rolling Without Sipping)
    • When Disc Rotates, Center of Mass Moves
    • Acceleration of Center of Mass
  • Kinetic Energy 11:03
    • Object in Pure Rotation
    • Pure Translation
    • Rotation and Translation
  • Cylinder Rolling Down an Incline 23:55
    • Incline
    • Cylinder Starts From Rest
  • Which Moves Faster 37:02
    • Rolling a Ring, Disc, Sphere
    • Ring I=Mr2
    • Disc I= 1/2 Mr2
    • Sphere I= 2/5 mr2
  • Which Goes Faster 49:15
    • Incline with a Object Towards the Inclination
  • Extra Example 1: Rolling Cylinder
  • Extra Example 2: Nonuniform Cylinder
  • Extra Example 3: String Around Disk