# Oscillations

## D2-42: MOMENT OF INERTIA -TORSIONAL CHAIR AND BOARD

Purpose: Demonstrate moment of inertia using the torsional chair.

## D2-13: RACING PENDULA

Purpose: Illustrate in a counter-intuitive way the effect of moment of inertia on rotational acceleration.

## B4-02: HOOKE'S LAW - COMPRESSING A SPRING

Category: B4 Elasticity
Purpose: Demonstrate Hooke's law for a spring under compression.

## D1-65: YO-YO

Purpose: Illustrate transformation between various forms of energy and to perform yo-yo tricks.

## D1-64: MAXWELL PENDULUM - SMALL

Purpose: Demonstrate transformations between gravitational potential energy and rotational kinetic energy.

## D1-63: MAXWELL PENDULUM - LARGE

Purpose: Demonstrate transformations between gravitational potential energy and rotational kinetic energy.

## C8-03: GALILEO'S PENDULUM

Purpose: Demonstrate conservation of energy in a simple system.

## G4-11: SOAP FILM OSCILLATIONS

Purpose: Demonstrate standing waves in a two-dimensional medium.

## C1-13: AIR TRACK - REDUCED MASS

Purpose: Demonstrate the change in frequency for two-body oscillations.

## C1-12: AIR TRACK - CENTER OF MASS OF COUPLED GLIDERS

Purpose: Demonstrate uniform motion of the center of mass of an oscillating system.

## C1-11: AIR TRACK - CENTER OF MASS PENDULUM

Purpose: Show uniform motion of the center of mass of a vibrating pendulum/glider system.

## D5-13: FOCAULT PENDULUM - MODEL

Purpose: Model the Foucault pendulum

## G2-07: PSYCHOACOUSTIC VIBRATION TRANSDUCER

Purpose: Challenge your students to recognize pseudoscience while illustrating resonance

## G2-21 COUPLED PENDULA

Purpose: Demonstrates coupling of motion between two pendula of the same length

## G2-01 MASS ON SPRING - HAND HELD

Purpose: Demonstrates resonance and phase shift at resonance

## G1-52 STRINGLESS PENDULUM

Purpose: Demonstrates an example of SHM

## G1-33 MASSES AND SPRINGS WITH SPIDER

Purpose: Compares frequencies of various mass-spring combinations

## G1-15 PENDULA WITH 4 TO 1 LENGTH RATIO

Purpose: Shows that period of a simple pendulum is proportional to the square root of its length

## G1-14 PENDULA WITH DIFFERENT MASSES

Purpose: Demonstrates independence of a simple pendulum's period with mass of the bob.

## G1-11 COMPARISON OF SHM AND UCM

Purpose: Demonstrates the relationship between simple harmonic motion and uniform circular motion.
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• #### G2-01 MASS ON SPRING - HAND HELD

Demonstrates resonance and phase shift at resonance Read More
• #### G2-02: FORCED HARMONIC MOTION WITH DAMPING - LARGE

Demonstrate and graph driven and damped harmonic motion. Read More
• #### G2-03: RESONANCE IN TORSIONAL PENDULUM - PROJECTION

Demonstrate quantitatively all aspects of the driven and damped oscillator. Read More
• #### G2-04: DAMPED OSCILLATIONS

Demonstrate damped harmonic oscillations. Read More
• #### G2-05: AIR TRACK - DRIVEN AND DAMPED OSCILLATIONS

Illustrate the behavior of a driven and damped oscillator. Read More
• #### G2-06: FRAHM'S FREQUENCY METER

Check the 60 Hz line voltage frequency. Read More

• #### G2-08: DRIVEN NONLINEAR OSCILLATOR

Demonstrate amplitude "jumps" and resonance hysteresis in Duffing's equation. Read More
• #### G2-09: FORCED HARMONIC MOTION WITH SONAR

Plot a graph of forced damped harmonic motion near the resonant frequency. Read More
• #### G2-11: RESONANT SAW BLADES - HAND DRIVEN

Show that a mechanical oscillator responds with a maximum amplitude to its own resonant frequency. Read More

• #### G2-21 COUPLED PENDULA

Demonstrates coupling of motion between two pendula of the same length Read More
• #### G2-22: BAR-COUPLED PENDULA

Demonstrate a coupling resonance and to show normal modes. Read More
• #### G2-23: SPRING-COUPLED PHYSICAL PENDULA

Demonstrate resonance and normal modes. Read More

• #### G2-25: COUPLED PENDULA - 1000:100:10:1 MASS RATIO.

Illustrate a complex resonance system. Read More
• #### G2-26: COUPLED AIR TRACK GLIDERS

Demonstrate coupled oscillations and normal modes in a system of two identical coupled air track gliders. Read More
• #### G2-27: COUPLED SERIES MASSES HANGING ON SPRINGS

Illustrate coupled oscillations and normal modes. Read More
• #### G2-28: COUPLED PENDULA WITH VARIABLE DRIVER

Show that the maximum coupling occurs between pendula of the same length. Read More
• #### G2-41: WILBERFORCE PENDULUM

Demonstrate a linear coupling resonance and normal modes. Read More
• #### G2-42: ELASTIC PENDULUM

Demonstrate a non-linear coupling resonance and stable fixed points. Read More
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