Physics 103 Fall 2007
Lecture Demonstrations

(Updated: September 1, 2007)

Wednesday, September 5 (Introduction) Shiu
Document camera for all lectures
Computer on Internet and display panels (103 Web page)
• Meter stick and length standards
• Masses and balance scale
• Clock
• Metronome

Monday, September 10 (1-D Motion) Smith
Rubber ball
• Meter stick (reaction time)
• Extra handouts
Wednesday, September 12 (1-D Motion) Smith
Aluminum inclined plane
• Ball of cotton
• Guinea and feather tube
• Rubber ball
• Meter stick
• Crisp dollar bill (reaction time)

Monday, September 17 (Vectors) Shiu
Rubber ball
• Arrow
• Dropped and fired balls
• Ballistics car
Wednesday, September 19 (Projectile Motion) Shiu
Rubber ball
• Ball on a string
• Bench PC with Physics Demos program and display panels
• Water stream demo with protractor
• Monkey and hunter

Monday, September 24 (Newton's Laws) Shiu
Rubber ball
• 1-kg mass
• Beaker and cloth
• Pail of water
• Ball and cut string
• Air track
• Inertia ball
• Wood block
• Adjustable inclined plane
• Block and String
Wednesday, September 26 (Newton's Laws) Shiu
Rubber ball
• 1-kg mass
• Wood block
• Spring scale with mass
• Slide of coefficients of friction
• Block and string
• Inclined plane with blocks and carts
• Adjustable inclined plane
• Single rope anchored in wall
• Hammer and nail

Monday, October 1 (Energy) Smith
Rubber ball
• Bowling ball pendulum
• Balls rolling in troughs
• Cart on inclined plane
• Come-back can
• 1-kg mass
• Air track
Wednesday, October 3 (Work and Kinetic Energy) Smith
Rubber ball
• Cart on inclined plane
• Block and tackle
• Block and string
• Hooke's law
• Springs with different spring constants
• 1-kg mass
• Weight-lifting machine (power demo)

Monday, October 8 (Momentum and collisions) Smith
Benchtop PC and LCD display
• Rubber ball
• Happy and sad balls
• Air track
• Momentum balls
• Air table
Wednesday, October 10 ( Collisions and Rockets) Smith
Momentum balls
• Ballistic pendulum
• Water rocket
• CO2 rocket
• Rotating platform with basketball and CO2
• Rocketcycle

Monday, October 15 (Circular Motion) Smith
Rubber ball
• Ball on a string
• Conical pendulum
• Block on rotating table
Wednesday, October 17 (Rotational Motion and Gravity) Smith
Ball on string
• Block on rotating table
• Conical pendulum
• Loop-the-loop
• Rolling chain
• Cavendish model
• Globe (10-inch) and bright light source (100 W lamp)
• Tennis ball

Monday, October 22 (Equilibrium) Shiu
Ball on string
• Center-of-gravity boards
• Torque board
• Moving spool
• See-saw
• Horizontal flag pole
• Center-of-mass cone on inclined plane
• Ladder against wall
• Deck of cards
Wednesday, October 24 (Angular Momentum) Shiu
Ladder against wall
• Cylinder, sphere, disk, hoop samples
• Weight and axle
• Large inclined plane with balls, disks, and hoops
• Yo-yos
• Rotating platform with barbells
• Bicycle wheel
• Rotating masses on pulleys
• Gyroscopes

Monday, October 29 (Solids) Shiu
Weight of air
• Magdeburg hemispheres
• Manometer
• Hydraulic presss
• Young's Modulus
• Shear Modulus
• Pascal's Vases
• Brownian Motion --BB's
Wednesday, October 31 (Fluids) Shiu
Bernoulli demo (pipe with flowing water)
• Bernoulli (levitated) ball
• Airfoils
• Venturi tube
• Aspirator
• Curve Ball
• Frisbee
• Archimedes principle
• Neutral-buoyancy balloon
• Toilet paper roll and air jet
• Torcelli's Theorem 

Monday, November 5 (Thermal Physics) Smith
Benchtop PC and LCD display
• Examples of thermometers
• Thermal expansion demos
• Bimetallic strips
• PVT surface of ideal gas
• Pistons
Wednesday, November 7 (Thermal Physics) Smith
Kinetic theory simulator (ball bearings)
• Kinetic theory demonstrator (Mercury tube)
• Variation of sound speed with temperature
• Balloon

Monday, November 12 (Thermal Energy) Shiu
Liquid nitrogen cannon
• Leidenfrost effect
• Collapsing pop can in water tray
• Freezing by evaporation
• Model geyser
• Ethanol vapor explosion
PVT surfaces - ideal gas, H2O, CO2
• Mechanical equivalence of heat
Wednesday, November 14 (Thermal Energy) Shiu
• Heat convection (candle)
• Heat radiation (parabolic mirrors)
• Heat conduction (marbles on heated rod)

Monday, November 19 (Thermodynamics) Smith
Wood block
• Expanding balloon when heated and cooled with LN2
• Piston with gun cotton
Wednesday, November 21 (Thermodynamics) Smith
Automobile engine model
• Carnot cycle model
• Sterling engine

Monday, November 26 (Vibrations) Smith
Projected circular motion
• Multiple coupled pendula
• Wilburforce pendulum
Wednesday, November 28 (Waves) Smith
Single rope anchored in wall
• Wave speed on a rope (index cards)
• Compressional wave demo (horizontal slinky)
• Torsional waves (2-segment horizontal and vertical)
• Bowling ball and softball pendulums
• Interference of water waves


Monday, December 3 (Sound) Shiu
Speed of sound
• Oscilloscope and microphone
• Tuning fork
• Bell in vacuum
• Breathing He and Sulfur Hexafluoride
• Sound level meter 
• Doppler effect (rotating arm, train whistle)
• Casette Player with tapes
Wednesday, December 5 (Sound) Smith
Flame pipe
• Standing wave on a string with strobe lamp
• Oscilloscope and microphone
• Sine and square waves, noise source (with speaker)
• Musical instruments
• Tuning fork
• Singing rod
• Dog whistle
• Interference of sound
• Open and closed organ pipes
• Beat frequencies• Sound level meter 
• Casette Player with tapes

Monday, December 11 (Review) Shiu
Demos TBD
Wednesday, December 13 (Review) Shiu
Demos TBD
• Teaching evaluations.