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Periodic Motion

Definition: Any motion where the restoring force is directly proportional to the distance away from the equilibrium position. (Typically a pendulum or a mass on a spring). Acceleration is greatest when the object is furthest from its equilibrium position – Why does this make sense?.

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Periodic Motion

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  1. Definition: Any motion where the restoring force is directly proportional to the distance away from the equilibrium position. (Typically a pendulum or a mass on a spring)

  2. Acceleration is greatest when the object is furthestfrom its equilibrium position –Why does this make sense?

  3. Periodic Motion • A definition: Any motion that repeats itself over and over again

  4. A Pendulum exhibits simple harmonic motion and periodic motion

  5. Why is simple harmonic motion which is clearly linear in the case of a mass on a spring described with rotational motion formulas?

  6. The formulas for Simple Harmonic Motion:

  7. Formulas

  8. A pendulum makes 30 complete oscillations in 20 seconds: • what is the period of 1 oscillation? • What is the frequency of the pendulum? • What are the units of frequency?

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