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Al Tobias (wat4y) - Office: Gibson S123 & Physics 218, (434) 924-0538

Physics Demo Manual

Demonstrations are cataloged according to PIRA Bibliography


Due to Physics Building renovations, the lead time to set up demo requests has increased due to the need to transport equipment across campus. Please be kind and let me know well ahead of time what you need.

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 Motion In One Dimension
 Motion In Two Dimensions
 Newton's First Law
 Newton's Second Law
 Newton's Third Law
 Statics Of Rigid Bodies
 Applications Of Newton's Laws
 Work and Energy
 Egg in a Sheet
 Reaction Cars
  video  - Ballistics on Air Track
 Ballistic Pendulum
 Fire Extinguisher Rocket Cart
 Water Rocket
 Rocket Tricycle
 Methanol Rocket (Explode a Milk Jug)
 Match Rocket
  video  - 2-Liter Bottle Rocket
  video  - Hovercraft
  video  - Air Track Collisions
  video  - Newton's Cradle Collisions
  video  - Battering Ram Collisions
 Gauss Gun - Elastic and Inelastic Collisions
  video  - Double Ball Bounce
  video  - Air Table Collisions
 Rotational Motion
 Properties of Matter

 video  - Air Table Collisions


To aid in the study of two dimensional motion, elastic and inelastic collisions, angular momentum, torque, center of mass, etc.


centered image

Like the air track, the table is virtually friction free. Pucks can be made to collide either elastically or inelastically. They can also be stuck together in numerous ways to show angular momentum, circular motion, etc. Unlike the air track, the table is basically a qualitative device, although some quantitative measurements can be made if care is taken.


  • Air Table
  • Masses
  • Air Table Pucks
  • Velcro Tabs