Lecture Demonstrations Laboratory

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PHYS 1050 001: How Things Work

•  video  - Galvanometer Movement

• two boxes (balls) of equal size, different mass, and knife for cutting banana

• AirPro Hockey pucks
•  video  - Ballistics Cart
•  video  - Tablecloth Pull
•  video  - Bottle and Pencil
•  video  - Hanging Masses
• Razor Scooter
• Ball Collection
• Weighing
•  video  - The Atwood Machine

• 1) A spring scale with a hook at the bottom, together with an object which can be hooked with the spring scale. 2) A small wagon 3) A small ramp 4) Two sticks/rulers. One is about twice the length of the other one.

•  video  - Shoot and Drop
• Push Me Pull Me Carts
• Distortion Loops
•  video  - Center of Mass of Virginia
•  video  - Inclined Plane
•  video  - Moment of Inertia Wheel

• 1) A basketball, a piece of sponge which is big enough for the basketball to stand on it. (Here I would like to show the denting and undenting between the basketball and sponge--denting of the table is not so easy to see.) 2) Spring scale and weights

•  video  - Shoot and Drop
• Push Me Pull Me Carts
•  video  - Inclined Plane
•  video  - Conservative System
•  video  - Loop - the - Loop

• 1) one seesaw or something similar 2) two sticks, one is of the twice length of the other one.

•  video  - Center of Mass of Virginia
• Rotational Inertia Rods
•  video  - Moment of Inertia Wheel

•  video  - Center of Mass of Virginia

• Microphone and Oscilloscope

• AirPro Hockey pucks
•  video  - 2-Liter Bottle Rocket
•  video  - Air Track Collisions
•  video  - Battering Ram Collisions

• A tennis ball and basketball. On the basketball, there is a ring which can hold tennis ball in place.

• Ball Collection
• Hooke's Law
• Spring Scale Collection

•  video  - Loop - the - Loop
•  video  - Precession of Bicycle Wheel Under Gravity Force
• Gyrocompass

• 1) A broom. To demonstrate that to balance the broom, we need to figure out the relation between its center of mass and its base support. 2) One big arrow with and without feather

• Water Rocket
•  video  - Precession of Bicycle Wheel Under Gravity Force
• Gyrocompass

• Two big arrows: one with feather and the other without feather

• Water Rocket
• Gyrocompass

• Two big arrows: one with feather and the other without feather

• Centripetal Force
• Water Rocket
• Gyrocompass
•  video  - Balloon in Vacuum
•  video  - Crush the Soda Can
• Magdeburg Hemispheres
•  video  - Torricelli's Law
•  video  - Venturi Tube

•  video  - Rolling Objects and Moments of Inertia
•  video  - Balloon in Vacuum
•  video  - Crush the Soda Can
• Archimedes' Principle II
• Cartesian Diver
•  video  - Torricelli's Law
•  video  - Oscillator Beats

• 1) The two open containers of water are connected by a tube. 2) A straw

•  video  - Pascal's Vases
• Archimedes Principle III
•  video  - Venturi Tube
• Ideal Gas Law

•  video  - Lord Kelvin's Water-Drop Electrostatic Generator

•  video  - Convection Box
•  video  - Heat Conduction
•  video  - Thermal Conductivity
•  video  - Light The Match
• Leslie Cube
• Boiling Water in a Paper Cup

• Bottomley's experiment

• Ice Bomb (expansion of water upon freezing)
•  video  - Boiling by Cooling
•  video  - Boiling by Reducing Pressure

• Heat Engines

• Hero's engine
• Sling Psychrometer (Relative Humidity)
•  video  - Reversible and Irreversible Processes
•  video  - Steam Engine
• Heat Engines