So I’m aware it’s because of pressure difference, but why does that matter? Why does the pressure try to equal out immediately and not just slowly wait as things move into it like they would in ambient pressure?
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You seem close to the logic, but I guess the answer would be because pressure is really strong, and things are really weak.
If you created a vacuum and put a plank of wood across it, the plank probably wouldn’t get sucked in because wood is strong. But don’t downplay the *strength* of air pressure, at sea level it’s roughly 15lbs per square in.
Imagine a 15lb weight on a piece of wood, pretty strong. Put that weight on a balloon and it’ll pop instantly, gases are really weak.
So not everything *floods* into a vacuum, weak materials will yes, but under strong enough pressures solids might too.
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