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Pendulum And Rotating Ball
Purpose
To demonstrate that simple harmonic motion is the projection of uniform circular motion.
Equipment
Pendulum-turntable assembly with point source of light (not shown in photograph)
Suggestions
Practice your timing.
Images
Description
A ball rotates on a phonograph turntable below a physical pendulum with a ball on its end. The device is◙shadow projected on a white screen using a bright point light source. The pendulum is set to the same period as the turntable, so when the pendulum is started in the correct phase, the projection of the rotating ball moves along with the projection of the pendulum.◙
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See pagesg1. simple harmonic motion
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See pagesg2. resonance & coupled oscillations
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See pagesg3. mechanical waves one dimensional
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See pagesg4. mechanical waves two dimensional
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See pagesg1. simple harmonic motion
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See pagesg2. resonance & coupled oscillations
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See pagesg3. mechanical waves one dimensional
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See pagesg4. mechanical waves two dimensional
Physics Lab Demos