PIRA: 2B30.30

Summary of the Demo

Two sides of a hemisphere are attached to a vacuum.

Equipment List

• Magdeburg Hemispheres
• Vacuum Pump

Set-up Instructions

• Put both hemishperes to gether.
• Attach vaccuum to valve and pump out the air for a few minutes.

Set-up time:~5min

Time to do demos:~5min

Demonstration instructions

• Have a student tug on a half of the apparatus to demonstrate the suction force.