Lecture Demonstrations Laboratory

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PHYS 2010-100: Principles of Physics I

•  video  - Tablecloth Pull
• Ball Collection
  (basket ball and ping-pong ball to be dropped at the same time )

•  video  - Ballistics Cart
•  video  - Shoot and Drop

•  video  - The Monkey and the Hunter
•  video  - Range Gun
  (set ball launch and blue bucket opening heights equal, and show 1-click power with 30 or 60 degrees has the ball land in the same spot, whereas at 45 degree the ball overshoots. )

• Air track and a cart, just to show "frictionless"ness

• Whirligig
  (SATURDAY )
•  video  - Ballistics Cart
• Hit the Nail on the Head
•  video  - The Atwood Machine
  (SATURDAY, no need of timer )
•  photos  - Knot in Static Equilibrium
  (SATURDAY )
• Hooke's Law
  (SATURDAY )

•  video  - Spinning Tray
  (It would be nice with a real wine glass - not a plastic cup)
• Weight Dependence of Friction
• Coefficient of Friction

• Centripetal Acceleration

• Big Clock projected on the front screen for 8 o'clock exam

• Potential Energy
•  video  - Conservative System
•  video  - Pendulum with Moveable Peg

• center of mass styrofoam with lights

• Reaction Cars
  (no timing device necessary )
•  video  - 2-Liter Bottle Rocket
•  video  - Air Track Collisions
  (elastic equal mass collision; elastic unequal mass collision; perfectly inelastic collision )

• 1. center of mass styrofoam with lights 2. bicycle wheel, portable version so I can easily roll it on the table 3. Overhead projector to use my transparency slides - also a few colored erasable pens for them

• Rotational Inertia Rods
  (with a scale to show that the weights of the two bars are equal )
•  video  - Rolling Objects and Moments of Inertia

• bicycle wheel on a stand, so I can apply torque on the wheel with my hand

•  video  - Center of Mass of Virginia
•  video  - Moment of Inertia Wheel
•  video  - Vector Nature of Angular Momentum
  (with motor to spin the wheel )

• Big clock projected on the front screen for 8:00am exam

• 1. Vertically set spring with varying weights (e.g 1kg and 250g) to show the period variation (ideally two identical springs to show the period variation at the same time) 2. Simple pendulums with different lengths to show that the period varies 3. CM Virginia as a physical pendulum

• 1. spring waves across the classroom showing the wave speed change depending on the amount of pull 2. sound speed measuring tube/piston with a tuning fork w/ speaker output and a meter stick to measure the wavelength of the standing wave 3. helix coil with putty and crank on overhead projector

•  video  - Transverse Waves
  (including slinky, long spring stuff, and torsion bars )
•  video  - Standing Waves
•  video  - Doppler Buzzer
•  video  - Tuning Fork Beats
•  video  - Air Driven Organ Pipe

•  video  - Pascal's Vases
• Hydraulic Press
• Magdeburg Hemispheres
•  video  - Archimedes' Principle I
• Archimedes Principle III
  (Just Helium balloon and a jar, I don't need the trash bag demo)
•  video  - Venturi Tube
  (Remove first manometer and plug up hole with rubber stopper, stopper up one end of removed manometer to show uneven level )

• Absolute Zero
  (LN2 - Ice Water - Room Temp Water - Boiling Water - No need of dry ice )
•  video  - Thermal Expansion
  (ball & ring, bi-metal strip and bunsen burner )
• LN2 - Thermal Effects on Solids and Gases
  (just balloons and LN2 )
•  video  - Heat Conduction
  (stainless steel tube with torch )

• Boiling Water in a Paper Cup
  (one cup with water, another cup without )
•  video  - Boiling by Cooling
•  video  - Boiling by Reducing Pressure
•  video  - Crush the Soda Can

•  video  - Crush the Soda Can