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PHY205 Ch3: Rel. Motion and Circular Motion

PHY205 Ch3: Rel. Motion and Circular Motion. Recall main points: position, displacement, velocity and acceleration (geometrically and algebraically) Discuss Pre-lecture and Check Points Sticky Points. PHY205 Ch3: Rel. Motion and Circular Motion. Main Points.

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PHY205 Ch3: Rel. Motion and Circular Motion

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  1. PHY205 Ch3: Rel. Motion and Circular Motion Recall main points: position, displacement, velocity and acceleration (geometrically and algebraically) Discuss Pre-lecture and Check Points Sticky Points

  2. PHY205 Ch3: Rel. Motion and Circular Motion Main Points Relative Motion: The v relationship between P in F and F’

  3. PHY205 Ch3: Rel. Motion and Circular Motion Main Points Inertial frames are non-accelerating frames

  4. PHY205 Ch3: Rel. Motion and Circular Motion Main Points Uniform Circular Motion Velocity vector Changes in UCM.( Intuitive )=> acceleration toward center

  5. PHY205 Ch3: Rel. Motion and Circular Motion Main Points Centripetal acceleration: from r to v to a by calculus:

  6. PHY205 Ch3: Rel. Motion and Circular Motion Main Points Uniform Circular Motion cont’d Tangential vel. magnitude v=rw: Centripetal acceleration magnitude a=rw2:

  7. PHY205 Ch3: Rel. Motion and Circular Motion Main Points Example

  8. PHY205 Ch3: Rel. Motion and Circular Motion Discuss CheckPoints: Dog and lady on Conveyor Belt Rock twirl in hor. Plane above head. Which way when string is cut?

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