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Harmonic Motion

Harmonic Motion. Chapter 11. Harmonic Motion. Learn about harmonic motion and how it is fundamental to understanding natural processes . Use harmonic motion to keep accurate time using a pendulum . Learn how to interpret and make graphs of harmonic motion. Construct simple oscillators.

barbara-acevedo
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Harmonic Motion

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  1. Harmonic Motion Chapter 11

  2. Harmonic Motion • Learn about harmonic motion and how it is fundamental to understanding natural processes. • Use harmonic motion to keep accurate time using a pendulum. • Learn how to interpret and make graphs of harmonic motion. • Construct simple oscillators. • Learn how to adjust the frequency and period of simple oscillators. • Learn to identify simple oscillators.

  3. Harmonic Motion We call motion that repeats over and over harmonic motion and that is what you will learn about in this section. The word comes from harmony which means “multiples of.” Swinging back and forth on a swing is a good example .

  4. Harmonic Motion The cycle is the building block of harmonic motion. A cycle is a unit of motion that repeats over and over. All harmonic motion is a repeated sequence of cycles. The cycle of the pendulum is shown below.

  5. Harmonic Motion When investigating Harmonic motion we must choose a system, excluding all that is not necessary so that we can concentrate on what is important.

  6. Harmonic Motion A system that shows harmonic motion is called an oscillator. The pendulum is an example of an oscillator. The size of an oscillating system can vary.

  7. Harmonic Motion The time for one cycle is called the period. The frequency of an oscillator is the number of cycles it makes per second.

  8. Harmonic Motion The unit of one cycle per second is called a hertz. A frequency of 440 cycles per second is usually written as 440 hertz, or abbreviated 440 Hz. When you tune into a station at 101 on the FM dial, you are actually setting the oscillator in your radio to a frequency of 101 megahertz, or 101,000,000 Hz.

  9. Harmonic Motion The amplitude describes how big the cycle is.

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