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3B10.20 - Table Slinky

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​3B10.20 - Table Slinky

Title3B10.20 - Table Slinky

Demonstrate transverse and longitudinal waves with a common toy.

Assembly Instructions
Pull the mounted slinky out of the box without tangling the spring.  Clamp the mounting base to the center of the end of the small portion of the lecture bench using a squeezee clamp.  Be sure there is enough clearance for the instructor to operate the demo.

Setup Time10
Operation Time
Preview Time5
Operation Instructions

​The table Slinky is ideal for showing longitudinal waves and for showing the reflection of either a longitudinal or transverse wave.

To show a transverse pulse, give a sharp sideways pulse of the slinky and return to the starting position.  The students should be able to observe the pulse travel down the length of the spring and be reflected back after it reaches the mounted point.

To show a longitudinal pulse, either pulse the spring back and forth in the plane of the slinky, or gather at least 3 feet of the spring and let it go to watch the longitudinal pulse travel down the spring and back. 

**There is a great deal of friction between the slinky and the tabletop**

Demo on DimeNo
PIRA 200Yes
Export Instructions (if different)

​**possible improvement, place several feet of glass plates underneath the slinky to reduce the amount of friction produced or suspend the slinky from a number of strings so it is free-floating.**

Category3 Oscillations
Subcategory3B - Wave Motion
Keywordstransverse wave, wave propagation
Construction Information
slinky with base
squeezee clamp