If the bottle is open, then no, because the air
inside of the bottle would push it outward to
retain its shape just as the air outside is
pushing it inward. This is the same reason why the
atmosphere doesn't crush your lungs. If the
bottle is closed, then yes, and the amount of
pressure needed would be equal to the weight of a
rock that would crush the bottle.
I don't know what you mean by a vacuum iron
sphere - if the sphere is hollow, then yes it will
be crushed, but if the sphere is solid, then no
it will not by normal atmospheric pressure.
I will also note that funny things happen if
the atmospheric pressure gets to the point where
the air density is much denser than any matter you
find on Earth. At pressures such as the interior
of Jupiter, for example, the bottle and the sphere
will be compressed, but won't lose their shape.
Sure it can, depending on the shape and
thickness of the iron sphere and the glass bottle.
Iron is better against the vacuum compared to
glass, but thin enough all of them could be
crushed under the good vacuum. In short, there are
three factors that are important against the
vacuum: the material, the shape, the thickness.
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