Lecture Demonstrations Laboratory

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PHYS 2010-001: Principles of Physics I

• overhead projector

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

• baseball cap

•  video  - Ballistics Cart
•  video  - Shoot and Drop

•  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. )

• (1) horizontal air track w/ single cart to show constant velocity (2) "toilet paper" demo, with a nearly full roll toilet paper, and mostly used toilet paper, set on a bar, with a stool on the side

• Hit the Nail on the Head
•  video  - Tablecloth Pull
•  video  - Hanging Masses
•  video  - Inclined Plane
  (No need of the balance; just the inclined plane and the cart )

• Whirligig
•  video  - Spinning Tray
• Centripetal Acceleration
•  video  - The Atwood Machine
•  photos  - Knot in Static Equilibrium
• Hooke's Law

•  video  - Spinning Tray
• Centripetal Acceleration
• Weight Dependence of Friction
• Coefficient of Friction

• Centripetal Acceleration

• Big Clock projected on the front screen in Room 203 at for the exam at 8:00am

  side screen showing the whole auditorium

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

• (1) center of mass styrofoam with lights (2) dropping basketball with ping pong ball on top (or tennis ball) to demonstrate elastic collision

• Reaction Cars
•  video  - 2-Liter Bottle Rocket
•  video  - Air Track Collisions
  (air track one )
• Happy and unhappy balls

• (1)Green scale to weigh rotational inertia rods, (2) bicycle wheel, (3) a ball on a string, (4) center of mass styrofoam w/ lights (5) overhead projector (to project my slides) and water-erasable projector pens, preferably with lots of colors

• Rotational Inertia Rods
•  video  - Rolling Objects and Moments of Inertia

• Erected bicycle wheel on a stand

•  video  - Center of Mass of Virginia
•  video  - Rolling Objects and Moments of Inertia
•  video  - Moment of Inertia Wheel
•  video  - Vector Nature of Angular Momentum
• Hero's engine
•  video  - Precession of Bicycle Wheel Under Gravity Force

•  video  - Vector Nature of Angular Momentum
• Hero's engine
•  video  - Precession of Bicycle Wheel Under Gravity Force

• (1) Big clock projected on teh front screen for 8:00am exam in Room 203

  side screen showing the whole auditorium (2) Spring with varying weights to show the period variation (ideally two identical springs to show the period variation at the same time) (3) Simple pendula with different lengths to show that the period varies

  I will adjust the length of the pendula by myself the day before the lecture

•  video  - Center of Mass of Virginia

• (1) That thing with spiral wire with a putty attached, set on the overhead projector, to demonstrate the wave (2) sound speed measuring tube/piston with a tuning fork (with a meter stick to measure the wavelength of the standing wave)

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

• Floating/sinking identical-looking balls in a bottle of water (hidden from view)

•  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  - Torricelli's Law
  (Remove first manometer and plug up hole with rubber stopper, stopper up one end of removed manometer to show uneven level )
•  video  - Air Flow Dynamics
  (sucking ping pong ball, sucking plexiglass plate, atomizer (note to myself: do not aim at students) )

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

• 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

• Boiling Water in a Paper Cup
•  video  - Crush the Soda Can
•  video  - Steam Engine
  (preferably the one without electric connection )