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PIRA-List
Fluid mechanics > Statics of fluids > Atmospheric Pressure
Code
Demo Name
Description
2B30.10
Crush Can With Heat
2B30.20
Crush Drum
Crush Drum Demo
Crush Drum
A 55 gal tank is evacuated with a pump and the drum collapses because of atmospheric pressure.
2B30.30
Magdeburg Hemispheres
Evacuate Magdeburg hemispheres with a pump and try to separate them. They will be hard to separate due to the immense force of the atmospheric pressure.
2B30.45
Inverted Glass
Fill a bottle with water and place a stiff card over the opening. Invert the bottle and the card stays in place due to atmospheric pressure.
2B30.50
Lifting Rubber Sheet
Lift a chair by placing a thin sheet of rubber with a handle on the seat and pulling up.
2B30.70
Ping Pong Cannon
Cans get annihilated
Ping Pong Cannon
This demo is used to show atmospheric pressure. A ping pong ball is placed inside a plastic tube and all of the air is removed. A hunting arrow/knife is then used to puncture the end of the tube with the ping pong ball causing all of the force to be put on the ball and shooting it down the tube, into the soda cans.
2B30.70
Ping Pong Cannon (slo mo)
This demo is used to show atmospheric pressure. A ping pong ball is placed inside a plastic tube and all of the air is removed. A hunting arrow is then used to puncture the end of the tube with the ping pong ball causing all of the force to be put on the ball and shooting it down the tube, into the soda cans.
Disclaimer:
These demonstrations are provided only for illustrative use by persons affiliated with Rutgers University and only under the direction of a trained instructor or physicist. Rutgers University is not responsible for any demonstrations performed by those using their own or others equipment, or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here, entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition, and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.