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Purpose

Purpose. Recognize and analyze harmonic motion (a special case of the more general periodic motion). Learn about Amplitude Period Restoring force Spring constant Damped and un-damped harmonic motion. Basic Setup. Force sensor. Motion sensor (put on the floor

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Purpose

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Presentation Transcript

  1. Purpose • Recognize and analyze harmonic motion • (a special case of the more general periodic motion). • Learn about • Amplitude • Period • Restoring force • Spring constant • Damped and un-damped harmonic motion

  2. Basic Setup Force sensor Motion sensor (put on the floor below force sensor) Two springs (long and short): Attach to the force sensor. Attach a mass to the bottom of the spring.

  3. Activity I and II: Observe the Periodic Motion • These first two activities are intended to check the following physics aspects of periodic motion • Position • Velocity • Acceleration • Force Please be careful and don’t let the hanging masses crash into the motion sensors. They are easily damaged.

  4. Activity III: Simple Harmonic Motion • In this activity, you will check to see how the following physics properties affect a Simple Harmonic Oscillator: • Amplitude • Spring Constant • Mass • Your procedure will be essentially the same as that in Activity 1 and 2. Just follow the manual!

  5. Activity IV: Damped Periodic Motion • Remember that for damped motions friction has a substantial affect on the way the object is moving. You will analyze • distance-time graphs • velocity-time graphs • acceleration-time graphs • force-time graphs. • See how damping changes your oscillations. You will also use acceleration-force and velocity-position graphs to compare to some of your results in Activity 1.

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