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/sci/ - Science & Math

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2877386 No.2877386 [Reply] [Original]

Please explain Why NOT!?

>> No.2877422

The buoyancy that the balls provide would not exert enough force to continuously pass through the seal, whatever material it might be (rubber, etc.), let alone enough to drive a generator.

>> No.2877429

You'd have to exert energy to push the bottom ball into the tank. The water pressure pushes it out with more force than the air pushes it in. That's all I can think of.

>> No.2877438
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2877438

*ruffles through informational folder* (this has come up often enough, i must have a saved answer for it...)

...fuck yeah!

>> No.2877469

>>2877438
>>2877422
>>2877429

Of course!!! Thanks!

>> No.2877484

>>2877386
Water is pushing down on the seal. The ball has to break the downward force on the seal before gaining upward force as buoyancy. Ball would get stuck on seal eventually depending on the starting velocity of the system and the energy lost due to fluid friction / seal.