ll of air, the inside and outside pressuresare balanced. When the air is exhausted, there is no insidepressure, and the outside forces, all pressing inward, hold the cups together. An eight-in-one apparatus even betterserves the purpose of thisexperiment. Push in thepiston, close the valve, andpull… … PRESS USE. 23
Physics
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
