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PHY 231 Recommended demos
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Wk Topics and Demos
01 Units and Measurements
- Basic metric units
- Coordinate system
- Powers of ten (video)
02 Motion in One Dimension
- Frames of reference (video)
- Constant velocity motion on the air track
- Uniform acceleration on the air track
- Sound of constant acceleration
- Feather and coin
03 Motion in Two Dimensions
- Handheld vectors
- Pop and drop
- Ballistic cart
- Shoot the monkey
- Racing balls
04 Newton's Laws, Force and Motion
- Newton's first law
- Newton's second law
- Newton's third law
- Broken hand
- Bungee jumpers
- Sliding block
- Dragging the box
- Angle of repose
05 Kinetic Energy, Work and Power
- Lifting weight
- Piledriver
- Racing ball (single)
- Saving face
- Jumping spider
- Energy bike: work and power
06 Momentum and Collisions
- Time of elastic collision
- Inelastic collision of velcro carts on air track
- Ballistic pendulum
- Newton's balls
- Ninja balls
- Elastic collision of unequal (3:1) masses
- Coefficient of restitution
- Superball and clayball
07 Circular Motion
- Rotating cylinder
- Radians
- Whirligig
- Leaving circular orbit (ohp)
- Conical pendulum
- Loop the loop
- Newton and apple (video)
- Cavendish balance
- Drawing an ellipse
08 Rotation
- Where's the doorknob?
- Short and long wrench
- Irregular shape
- Leaning towers
- Hanging hammer
- Mystery batons
- Rotating weights
- Bicycle wheel
- The stranded demonstrator
- Rotating chair and throwing weights around
- Spinning skater
- Rotating chair and bicycle wheel
- Rotating chair and double bicycle wheel
- Hanging bicycle wheel
09 Solids, Liquids and Gases
- Archimedes' principle: wet
- Hydrometer
- Archimedes' principle: dry
- Barometer
- Magdeburg hemispheres
- Hydraulic press
- Venturi tube
- Bernoulli plate
- Bernoulli cart
- Rising ball
- Moving cans
- Spinning cup
10 Temperature
- Types of thermometers
- Linear thermal expansion and contraction
- Bimetallic strip
- Ball and ring
- Liquid nitrogen and air balloon
11 Heat and Thermal Energy
- Specific heat
- Dropping nails
- Thermal convection in air
- Thermal convection in liquids
- Absorption of radiation
- Transmission of infrared radiation
12 Thermodynamics
- Energy bike: heat equivalent of work
- Cold cannon
- Pressure as a function of temperature
- Pressure as a function of volume
- Fire syringe
- Stirling engine
- Maxwell's demon
13 Vibrations and Waves
- Hooke's law
- Mass and spring
- Simple harmonic motion on the air track
- Circular motion projection (ohp)
- Ceiling pendulum
- Weighted hose
- Slinky
14 Waves, Sound
- Transversal wave machine
- Longitudinal wave machine
- Bead board model of superposition
- Sine wave through a slot
- Bell in vacuum
- Decibels
- Frequency and the limits of audibility
15 Sound
- Doppler effect
- Wave open at one end
- Speed of sound
- Stroke rod
- Tacoma bridge (video)
- Beat box
- Human ear model
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