Soap Bubbles
and the Forces which Mould Them
Forfatter: F. R. S., A. R. S. M., C. V. Boys
År: 1890
Serie: Romance of Science Series
Sted: London
Sider: 178
UDK: 532
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The forces which mould them. 31
these parts do not tend to approach or to
recede from one another. But those parts of
the plates (6) which have water between them
and air outside would, you might think, be
pushed apart by the water between them with
a greater force than that which could be
exerted by the air outside, and so you might
Fig- 11.
be led to expect that on this account a pair of
plates if free to move would separate at once.
But such an idea though very natural is wrong,
and for this reason. The water that is raised
between the plates being above the general
level must be under a less pressure, because,
as every one knows, as you go down in water