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1. Give an example of a damped harmonic oscillator. (They are more common than undamped or simple harmonic oscillators.)

1. Give an example of a damped harmonic oscillator. (They are more common than undamped or simple harmonic oscillators.)

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CONCEPTUAL QUESTIONS (Damped Harmonic Motion) 1. Give an example of a damped harmonic oscillator. (They are more common than undamped or simple harmonic oscillators.) 2. How would a car bounce after a bump under each of these conditions? (a) overdamping (b) underdamping (c) Critical damping 3. Most harmonic oscillators are damped and, if undriven, eventually come to a stop. Why? CONCEPTUAL QUESTIONS (Driven Harmonic Motion and Resonance) 4. Why are soldiers in general ordered to “route step" (walk out of step) across a bridge? 5. Do you think there is any harmonic motion in the physical world that is not damped harmonic motion? Try to make a list of five examples of undamped harmonic motion and damped harmonic motion. Which list was easier to make? 6. Some engineers use sound to diagnose performance problems with car engines. Occasionally, a part of the engine is designed that resonates at the frequency of the engine. The unwanted oscillations can cause noise that irritates the driver or could lead to the part failing prematurely. In one case, a part was located that had a length L made of a material with a mass M. What can be done to correct this problem?
Transcribed Image Text:CONCEPTUAL QUESTIONS (Damped Harmonic Motion) 1. Give an example of a damped harmonic oscillator. (They are more common than undamped or simple harmonic oscillators.) 2. How would a car bounce after a bump under each of these conditions? (a) overdamping (b) underdamping (c) Critical damping 3. Most harmonic oscillators are damped and, if undriven, eventually come to a stop. Why? CONCEPTUAL QUESTIONS (Driven Harmonic Motion and Resonance) 4. Why are soldiers in general ordered to “route step" (walk out of step) across a bridge? 5. Do you think there is any harmonic motion in the physical world that is not damped harmonic motion? Try to make a list of five examples of undamped harmonic motion and damped harmonic motion. Which list was easier to make? 6. Some engineers use sound to diagnose performance problems with car engines. Occasionally, a part of the engine is designed that resonates at the frequency of the engine. The unwanted oscillations can cause noise that irritates the driver or could lead to the part failing prematurely. In one case, a part was located that had a length L made of a material with a mass M. What can be done to correct this problem?
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