Lecture Demos: Oscillations and Waves, 3A10.20

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Upside-Down Pendulum

Upside-Down Pendulum

A weight is attached to a hacksaw blade so that it can move up and down the blade to change the frequency.

PIRA Code(s): 
3A10.20
Set up time: 
1 minute
Physics and Science Concepts: 
Oscillations
Operation: 
Move the weight along the hacksaw blade. Pull back on the blade and release. When the weight is at the top of the blade the frequency is smaller compared to when the weight is at the bottom.
Safety: 
Edge of blade may be sharp.

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