Needs New Photo
H3-03: REFLECTION OF PULSES IN TUBE
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the phase of pulses reflected from open ends and closed ends of a tube.
H3-02: STANDING SOUND WAVES - REFLECTION
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the origin of standing waves from one source and its reflection.
H3-01: STANDING SOUND WAVES - TWO SOURCES
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the origin of standing waves from two identical sources.
H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate addition of two sine waves with variable phase difference.
H2-25: QUINCKE'S INTERFERENCE TUBES
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate interference of sound waves in a perhaps surprising way.
H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate interference of sound with two coherent sound sources in a quantitative way.
H2-03: ACOUSTIC RADAR
Category: H2 Wave Properties of Sound
Purpose:
Illustrate how RADAR and SONAR work
H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate how sound waves can be focused by concave reflectors.
G3-52: ROPE WAVE GENERATOR - ROPE TENSION VS WAVELENGTH
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Observe the change in wavelength of a vibrating rope as the tension is varied.
G3-42: TORSIONAL WAVES
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate wave phenomena such as traveling waves, standing waves, and reflection of waves.
G3-25: SLINKY ON LECTURE TABLE - IMPEDANCE MISMATCH
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show partial reflections and dependence of wave speed on density of the medium.
G3-23: TRANSVERSE WAVES ON A LONG SPRING - FREE END
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show reflections at a free end.
G3-11: SHIVE WAVE MACHINE - RESONANCE ABSORPTION
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate resonance absorption of wave energy by a mass-on-spring system.
G3-10: SHIVE WAVE MACHINE - BRANCHING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate branching and recombining with two wave machines in parallel.
G3-09: SHIVE WAVE MACHINE - FREQUENCY FILTERING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate frequency filtering through a "filter" consisting of four weighted crossarms and the interference from partial reflections they produce.
G3-08: SHIVE WAVE MACHINE - FABREY-PEROT INTERFEROMETER
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate the mechanical analog of the optical Fabrey-Perot interferometer.
G3-07: SHIVE WAVE MACHINE - TAPERED TRANSFORMER
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Useful for obtaining a reasonably good impedance match between the two large segments of the Shive machine.
G3-05: SHIVE WAVE MACHINE - PARTIAL REFLECTIONS
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show that a wave will be partially reflected at a point where the impedance changes.
G3-06: SHIVE WAVE MACHINE - IMPEDANCE MATCHING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show that no reflection occurs when the impedance of the load (absorber at right) matches the impedance of the wave machine.
G3-04: SHIVE WAVE MACHINE - STANDING WAVES
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate standing waves.
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B1-01 CENTER OF MASS - DISC SECTION
Demonstrate finding center of mass for an irregularly-shapped object Read More
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B1-02: CENTER OF MASS - LEANING TOWER
Demonstrate the effect of center of mass location Read More
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B1-03: CENTER OF MASS - LEANING TOWER ON INCLINED PLANE
Demonstrate equilibrium when its center of mass is above its base Read More
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B1-04: Center of Mass - Brass Barbell
Demonstrate stable equilibrium when supported at center-of-mass Read More
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B1-05: CENTER OF MASS - PLUMBER'S HELPER
Locate the center of mass of an irregular object Read More
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B1-06: Double Cone - Large
Demonstrate a center-of-mass paradox Read More
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B1-07: DOUBLE CONE - SMALL
Demonstrate a center of mass paradox Read More
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B1-08: STATES OF EQUILIBRIUM - CONE
Illustrate stable, unstable, and neutral equilibrium Read More
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B1-09: CENTER OF MASS - TRIANGLE
Demonstrate the process of locating the center of mass Read More
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B1-11: BALANCE MAN
Illustrate stable equilibrium Read More
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B1-12: CENTER OF MASS - HINGED STICK PARADOX
Illustrate the center of mass in a surprising way Read More
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B1-13: CENTER OF MASS - FORK AND SPOON ON TOOTHPICK
Illustrate the center of mass in a surprising way Read More
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B1-14: CENTER OF MASS - BOTTLE
Illustrate the center of mass in a surprising way Read More
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B1-15: TOPPLING CYLINDERS
Illustrate stable and unstable equilibrium in a surprising way Read More
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B1-16: CORBELED ARCH
Illustrate how the center of mass affects the stability of an arch Read More
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B1-17: CENTER OF MASS - STICKS
Illustrate the center of mass in a surprising way Read More
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B1-18: Center of Mass - Soda Can and Water
Show how moving the center of mass of an object changes how it balances. Read More
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B1-21: BALANCE BEAM - VARIATION ON THE TIGHTROPE WALKER
Show how arms or a pole are used to obtain greater stability Read More
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B1-22: CENTER OF GRAVITY USING TEETER TOTTER
Determine the center of gravity of the human body Read More
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B1-24: CENTER OF MASS - CARTS ON BALANCE BOARD
Show that the center of mass may remain at rest during motion within the system Read More
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