From Facebook: someone please help. The answers seem to be widely varying.... @InertialObservr @starstrickenSFpic.twitter.com/HNV4x7hplO
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This is not unlike the load path for your car through its tires. It's the air holding it up.
I don’t see how it’s any different from placing ice cubes in a full glass of water then sealing the jar .. the weight of the water will overflow which is the same weight as the ice cubes
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For one, the flies are more dense than air, and it's mechanical energy that keeps them aloft, not buoyancy. For a thought experiment: imagine the jar starts off sealed with the flies resting on the bottom. Surely it's 1.5kg. What changes when the flies lift off?
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Yes I fixed it, thanks.
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edit: now I do
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Flies are flying, not floating. They’re doing this by giving the air momentum downwards.
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Yes you’re right I corrected it. I forgot the volume displacement for completely submerged objects
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