Needs New Photo
B3-01: LEVER AND LOADED WAGON
Category: B3 Simple Machines
Purpose:
Demonstrate the mechanical advantage of a lever
B2-42: ARM MODEL
Category: B2 Equilibrium of Forces and Torques
Purpose:
Model the forces occurring in the arm
B2-36: EQUILIBRIUM OF TORQUES ON METERSTICK - ROTATORS
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of torques
B2-35: EQUILIBRIUM OF TORQUES ON METERSTICK
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of torques
B2-34: EQUILIBRIUM OF TORQUES - ANGLE BRACKET
Category: B2 Equilibrium of Forces and Torques
Purpose:
Verify the equation for torques when the center of mass is outside the object
B2-33: EQUILIBRIUM OF TORQUES - SMALL
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of torques
B2-31: EQUILIBRIUM OF TORQUES - WHEELS AND AXLES
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of torques
B2-21: CONCEPT OF TORQUE - TORSIONAL CHAIR
Category: B2 Equilibrium of Forces and Torques
Purpose:
Introduce the concept of torque
B2-14: SUM OF FORCES - LARGE ROPE VERSION
Category: B2 Equilibrium of Forces and Torques
Purpose:
Develop a feel for equilibrium of forces on a large scale
B2-12: EQUILIBRIUM OF FORCES - BOARD BACKGROUND
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of forces
B2-11: EQUILIBRIUM OF FORCES - OHAUS PROJECTION
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of forces
B2-04: VERTICAL FORCES - FOUR SPRING SCALES
Category: B2 Equilibrium of Forces and Torques
Purpose:
Show addition of forces along a line
B2-03: EQUILIBRIUM OF FORCES - INCLINED PLANE
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate equilibrium of forces
B2-02: SUM OF FORCES - SPRING SCALES
Category: B2 Equilibrium of Forces and Torques
Purpose:
Show that the sum of forces exerted on the mass by the scales is constant
B2-01: SUM OF FORCES IN A LINE
Category: B2 Equilibrium of Forces and Torques
Purpose:
Demonstrate that forces in one dimension add algebraically
B1-24: CENTER OF MASS - CARTS ON BALANCE BOARD
Category: B1 Center of Mass Statics
Purpose:
Show that the center of mass may remain at rest during motion within the system.
B1-22: CENTER OF GRAVITY USING TEETER TOTTER
Category: B1 Center of Mass Statics
Purpose:
Determine the center of gravity of the human body
B1-21: BALANCE BEAM - VARIATION ON THE TIGHTROPE WALKER
Category: B1 Center of Mass Statics
Purpose:
Show how arms or a pole are used to obtain greater stability
B1-17: CENTER OF MASS - STICKS
Category: B1 Center of Mass Statics
Purpose:
Illustrate the center of mass in a surprising way
-
H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
Demonstrate how sound waves can be focused by concave reflectors. Read More
-
H2-02: PARABOLIC MICROPHONE
Show what a parabolic microphone is and to demonstrate its sensitivity individually. Read More
-
H2-03: ACOUSTIC RADAR
Illustrate how RADAR and SONAR work Read More
-
H2-11: SOUND LENS
Demonstrate focusing of sound by refraction in a sound lens Read More
-
H2-21 AUDIBLE YOUNG'S EXPERIMENT - GROUP LISTENING
Demonstrates interference of sound waves with two coherent sources
Read More
-
H2-22: INTERFERENCE - TRANSPARENCIES
An optical analog to the interference pattern from two identical sound sources. Read More
-
H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
Demonstrate interference of sound with two coherent sound sources in a quantitative way. Read More
-
H2-25: QUINCKE'S INTERFERENCE TUBES
Demonstrate interference of sound waves in a perhaps surprising way. Read More
-
H2-26: PHASE REVERSAL BETWEEN STEREO SPEAKERS - MUSIC
Demonstrate interference of sound in a dramatic way. Read More
-
H2-27: PHASE REVERSAL BETWEEN STEREO SPEAKERS - OSCILLATOR
Dramatically demonstrate interference between two identical sources. Read More
-
H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
Demonstrate addition of two sine waves with variable phase difference. Read More
-
H2-31: ACOUSTIC COLLIMATOR
Demonstrate the effect of frequency on diffraction of sound. Read More
-
H2-32: SPEAKER WITH BAFFLE
Demonstrates diffraction and interference of sound waves
Read More
-
H2-33: SPEAKER AND EXPONENTIAL HORN
Demonstrate the effect of an exponential horn enclosure. Read More
-
H2-41 DOPPLER BALL
Demonstrates Doppler effect
Read More
-
H2-42 DOPPLER EFFECT - TUNING FORK ON STRING
Demonstrates Doppler effect
Read More
-
H2-51 BEATS - AUDIO OSCILLATORS, SPEAKER & OSCILLOSCOPE
Hear audio beats and see their wave forms on an oscilloscope
Read More
-
H2-52: BEATS AND RESONANCE - TUNING BARS
Demonstrate beats, and to demonstrate resonance between two identical tuning bar resonators. Read More
-
H2-53 BEATS - AUDIO OSCILLATORS AND SPEAKERS
Hear beats
Read More
-
H2-54: BEATS - MOIRE PATTERN MODEL
Model for beats between mistuned audio oscillators. Read More
-
H2-55: BEATS AND RESONANCE - TUNING BOXES
Illustrate beats and resonance. Read More
- 1