Lecture Demonstrations Laboratory

Demo Request History

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PHYS 142E: General Physics I

•  video  - Standards of Measurement
  (All I need are: four 1-kilogram masses to pass around, cardboard liter, cardboard cubic meter, meter stick )

• The Video Encyclopedia of Physics Demonstrations
  (Disc 1, number 3 I think--on vector addition. ALSO: two pieces of rope, each a few feet long )

•  video  - Uniform Linear Acceleration - Time

•  video  - Marble and Feather
• Measurement of Free Fall Acceleration
  (ALSO: a tennis ball, and a small fan for show-n-tell )
• Falling Drops of Milk
  (will we be able to refill the balls in between lectures? I'm happy to do this if you show me how. )
• The Mechanical Universe
  (side 1, chapter 15, which is dropping hammer and feather on moon. ALSO: large LED timer )

• Propeller Cart on Track
  (with Pasco track )
•  video  - Shoot and Drop
• Projectile Motion II
• The Films of Charles and Ray Eames: Pioneers of Visual Ideas

• Centripetal Acceleration
•  video  - Ballistics Cart
  (ALSO: large current-carrying wire between magnet poles. Want to show large force it experiences when circuit is closed. )
• The Video Encyclopedia of Physics Demonstrations
  (Disc 2, selections 3 and 4 (relativity car flat and on ramp) )

• The Video Encyclopedia of Physics Demonstrations
  (disc 2, #8 (2-D bulldozer on moving track) )
• Frames of Reference
  (ALSO: air track with 3 different mass cars, and one light spring to pull them with. ALSO: rubber ball on a string, so I can whirl it around in a circle )

•  video  - Tablecloth Pull
  (ALSO: air track with 3 different-mass cars and spring to pull them, big penny and cardboard (run and turn--penny slides off), medicine ball and black rolling cart, one tennis ball )
• The Video Encyclopedia of Physics Demonstrations
  (disc 2, #25 (helicopter rotor) )

• 2 black rolling carts and a piece of rope, 2 heavy springs each a few feet long, "Normal force" demo (plank that can be tilted to different angles, baby scale clamped onto plank with weight on it)

•  video  - Tablecloth Pull
  (Just need table, tablecloth, and an Airpro puck (do not need plate, silverware, etc.) )
•  photos  - Tension in a String
•  photos  - Knot in Static Equilibrium

• Bloomfield's chair lift, string and pulley arrangement with weight lifted with twice the tension of string but through half the distance, simple friction demo with wooden box and weights and Newton scale to pull horizontally

• bathroom scale with camera on readout

  air hockey table, puck with string attached to weight hanging under table, and big LED timer to time rotation rate

• Fire Extinguisher Rocket Cart

• red plastic track and steel ball. want to roll ball down curve (I will state that speed at bottom is the same as if dropped vertically through same height)

• Work Done by a Compressed Spring

• simple lever (a nice long one with a 2x4), 2 wood blocks with metal wedge, car jack with protective covering and big LED timer

• red plastic track with steel ball (stable vs. unstable equilibrium)

  electrolysis of water

  solar car

•  video  - The Monkey and the Hunter
•  video  - Loop - the - Loop

• solar car

•  video  - Conservative System
  (also digital camera so I can photograph student )
• Electrolysis of Water

• 2 black rolling carts

•  video  - Ballistics on Air Track

• air track with 2 equal-mass cars to collide elastically (springs facing) and inelastically (velcro facing)

• The Video Encyclopedia of Physics Demonstrations
  (5-6, which is 2-dimensional collisions on an air table )

• gray and red leaning tower, 3-story building with plumb bob, push-me-pull-you on air track (two cars with springy connection and center of mass marker),styrofoam with red and green lights, tricky balance demo with styrofoam balls, fork and spoon trick, Mickey on tightrope, horse with hanging weight

•  video  - Center of Mass of Virginia

•  video  - Moment of Inertia Wheel
  (with a 1-kg mass suspended from string around center hub. also need big LED timer. want to release mass from rest, and allow to drop all the way to a wood block placed underneath-- )

• inertia wheel again, with suspended mass and big LED timer

•  video  - The Falling Rigid Body

• torque wrench and bolt in 2x4

  big spool and thread

•  video  - Moment of Inertia Wheel
  (with suspended weight and big LED timer )

• ball on string threaded through plastic tube--so I can whirl ball in a circle and pull string to reduce radius

•  video  - Rolling Objects and Moments of Inertia

• pocket watch and laser demo

  cardboard cubic meter

  tennis ball on string and plastic tube

•  video  - Vector Nature of Angular Momentum
•  video  - Precession of Bicycle Wheel Under Gravity Force
• Conservation Laws in Zero 'G'

• pull bicycle wheel over small bump (need strings attached to axle, Newton scale, bump of around a half inch)

• Conservation Laws in Zero 'G'

• rotating stool, small 2x4, bowling ball

• long 2x4, aluminum angle as fulcrum on top of stool, heavy weight. I will sit on the 2x4 and balance the weight. the 2x4 is under room 203

•  video  - Precession of Bicycle Wheel Under Gravity Force
• Gyrocompass
  (and selection of hanging weights )

• inverse-square law demo (illumination of squares goes from 4 to 16 as distance doubles),measure density of a rock (piece of rock, beaker with water (with fine enough markings to measure volume of rock), electronic scale, camera)

• The Mechanical Universe
  (part 25 )

• also want to show a "Quick Time" movie which I'm going to email Mike about

• The Mechanical Universe
  (part 25 )
• Einstein Revealed

•  video  - Pendula, Spring and Simple
  (just want the spring version, with a selection of 2 or 3 different masses, and a big LED timer )
• Projected Uniform Circular Motion

• tennis ball connected to a spring

•  video  - Forced Oscillations
• Coupled Pendulum Oscillators
•  video  - Breaking a Wine Glass

• 2-meter stick clamped down, rubber stopper placed on end, camera, big LED timer

• LN2 - Thermal Effects on Solids and Gases
  (just want to break racquetball )

• big gas cylinder for show-n-tell

  air track with balloon-driven car

  combustion demo with milk jug and methanol

• Boyle's Law

• VHS tape "Eureka!-Heat vs. Temp" (I can find this)

  heat 2 liters of water with 150-watt bulb inverted into it

• methanol combustion in milk jug

  bottle rocket on wire

• piece of plywood small enough to hold by hand

  tennis ball

• Jug O' Air

• freeze air and helium balloons in LN2

• Crookes Radiometer (Light Mill)
  (with camera)

• plastic car engine model and a camera

  plastic cylinder with wooden piston

  wood block to slide across table

  Mike: I'm discussing entropy--do you have some movies you made to show irreversible processes?

• irreversible processes video again

• 2 magnets connected by spring

  chain reaction software

•  video  - Mouse Trap Atomic Bomb