3 Oscillations & Waves

Meterstick "Kater" Pendulum

Catalog: 
3A15.70B
Location: 
Ba1
As discribed by Randall D. Peters, "Student-Friendly Percision Pendulum", The Physics Teacher, Vol.37, Oct. 1999. A meterstick setup to oscillate about an axis at its upper end and another axis approximately 66.6cm from the first.

Pendulum Man (Chaotic pendulum)

Catalog: 
3A95.520
Location: 
Ba2
A pendulum system that can be configured 68 different ways to demonstrate pendulum motion

Boomwhackers

demonstration image
Catalog: 
3D30.20A
Location: 
Bd1
A collection of eight tubes cut to the length for musical notes (from shortest to longest) C,B,A,G,F,E,D, and C with each note a unique color. There are also caps for each tube to change the end of the tube from an antinode to a node. A musical book is included which is color coded for each note.

Resonance Reeds

This shows the "teeth" that vibrate one at a time depending on the speed.
Catalog: 
3A60.50A
Location: 
Ba3
A brass disk spins very fast. As it slows down the shortest "tooth" vibrates. As it further slows the longer teeth vibrate one at a time. A resonance, or vibrating-reed, tachometer uses a series of consecutively tuned reeds to determine engine speed by indicating the vibration frequency of the machine.

Quincke's Tube

The path of the sound can be lengthened on one side by pulling the slide like a
Catalog: 
3B55.40
Location: 
The sound from a small speaker branches in two directions then out the horn. The length of one of the paths can be changed by pulling the slide like a trombone. The sound will constructively and destructively add as the slide is pulled.

Driven spring weight - Video

demonstration image
Catalog: 
3A60.43
Location: 
3_1
Video Encyclopedia :Drive a mass hanging from a spring.

Rubber tube standing waves - Video

demonstration image
Catalog: 
3B22.15
Location: 
3_1
Video Encyclopedia :A long rubber tube driven by a variable speed motor.

Tuning fork beats - Video

demonstration image
Catalog: 
3B60.10
Location: 
3_1
Video Encyclopedia :Two tuning forks are on resonant boxes. Adjust the frequency of one to be slightly different.

Rectangular bar oscillations - Video

demonstration image
Catalog: 
3D40.11
Location: 
3_1
Video Encyclopedia :Strike a three foot rectangular bar on different faces and on the end. Listen to the different frequencies.

Singing rods

demonstration image
Catalog: 
3D40.20A
Location: 
Between Cabs.19 & 20
Hold a long aluminum rod at various points and stroke with rosined fingers.

Pages