Below are a sample some popular demonstrations used in a particular class. Consider using these in your classes, or learn more about a demo you saw while taking that class.
PHYS 131 Demonstrations - List
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B4-01 HOOKE'S LAW
Compares resistive and gravitational forces Read More
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B4-03: SPRINGS IN SERIES AND PARALLEL
Demonstrates compound elastic systems Read More
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C2-06 BALL DROP ON ROPE - EQUAL AND UNEQUAL INTERVALS
Demonstrates acceleration in free fall Read More
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C2-25: FUNNEL CART
Illustrates the separability of forces Read More
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C2-26 FUNNEL CART WITH MASS OVER PULLEY
Adds a tension force to the Funnel Cart demonstration Read More
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C2-27 FUNNEL CART ON INCLINE
Adds a gravitational force to the Funnel Cart demo Read More
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C4-52 WEIGHTLESSNESS IN FREE FALL - MASS IN CUP ON POLE
Newton's Laws in action - forces acting in free fall Read More
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C5-14 ROCKET TRIKE
A dramatic example of reaction force and impulse Read More
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C5-18 FAN CART
A challenging problem to compare to the rocket trike Read More
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C6-02: INCLINED PLANE - FRICTION BLOCK
The dreaded inclined plane Read More
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C7-11: COLLISIONS OF BALLS - EQUAL MASSES
A classic example of energy being transferred in elastic collisions Read More
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C7-17 SUPERBALL
A simple object for highly elastic collisions Read More
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C8-04 HILL TRACK
Gravitational potential energy becomes kinetic energy Read More
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C8-11 INTERNAL VS. EXTERNAL ENERGY - SPRING-COUPLED SUPERBALLS
Gravitational potential energy and spring potential energy Read More
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E1-11: POTENTIAL WELL -MODEL
A potential diagram in 3D Read More
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F1-06 WATER SEEKS ITS OWN LEVEL
An example of fluid properties and continuity Read More
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F2-01 ARCHIMEDES' PRINCIPLE
Buoyancy and Archimedes' Principle Read More
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F2-05 BUOYANCY - BOAT AND ROCK
A familiar example of buoyancy Read More
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F2-06: BUOYANCY - SINKING BOAT
An unfortunately familiar example of buoyancy Read More
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G1-60 CHAOS - TWO BIFILAR PENDULA
Randomness and sensitivity to initial conditions Read More
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I2-22 THERMODYNAMICS BY TOUCH
A hands-on introduction to heat capacity and transfer Read More
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I5-22 FIRE SYRINGE
Heating by compression - a dramatic example Read More
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I6-01 GAS PRESSURE - MODEL
A model of pressure on the micro-scale Read More
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J1-01 TRIBOELECTRICITY - CHARGING BY FRICTION
A classic demonstration of electric charges and forces Read More
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J1-06: FUN-FLY-STICK
A fun example of electric forces Read More
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J1-11 ELECTROPHORUS
Demonstrates the transfer of charges Read More
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J1-21 ELECTROSTATIC ATTRAC AND REPULS - CHARGED CYLINDERS
A subtle example of electric forces Read More
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J1-24 ELECTROSTATIC HAIR RAISING
A hands-on experience of electric forces Read More
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J1-26 VAN DE GRAAFF - REPULSION OF PIE PANS
Electric forces can make a lot of noise Read More
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J3-01: EXISTENCE OF ELECTRIC FIELDS
Detection of an electric field Read More
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J1-12: INDUCTION - ELECTROSCOPE
An example of charging by induction; takes practice Read More
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F3-11: SURFACE TENSION - CAPILLARY TUBES
The capillary effect is important in many biological systems Read More
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A1-03: DENSITY - VARIOUS BRICKS
Introduces some basic concepts of measurement Read More
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A1-31: VOLUME MEASURE DEMONSTRATION
Introduces some basic concepts of measurement Read More
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C3-02 INERTIA - TABLE CLOTH TRICK
A classic example of Newton's principle of inertia Read More
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C2-11 RACING BALLS
A kinematics problem that it is less complicated than it may seem Read More
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C2-41: VECTOR ADDITION OF VELOCITIES
An example of calculation with velocity Read More
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C2-21 PROJECTILES DROPPED AND SHOT
The separability of motion vectors strikes again Read More
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C7-23: MEDICINE BALL AND SKATEBOARD
Interactive fun with action and reaction Read More
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C4-34: GALILEO'S EXPERIMENT - MASSES IN FREE FALL
Illustrates acceleration in free fall Read More
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