fluid_mechanics.gif (14060 bytes)

INFLATING A BALLOON IN A VACUUM





EQUIPMENT
    redball.gif (326 bytes) Bell Jar
    redball.gif (326 bytes) Balloon or rubber glove with 1 Kg weight
    redball.gif (326 bytes) Vacuum Pump
    


NARRATIVE
            Partially inflate a balloon, attach it to a 1 Kg weight, and place it under a bell jar on the vacuum table. As the air in the bell jar is evacuated with the electric vacuum pump, the pressure in the balloon causes it to inflate.