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Ive read about buoyancy force.That would be the subject here.
If a large air tight ball was pulled to the bottom of the ocean,there would be a negative gravity force at work pushing it back to the surface.water resistance would slow it down ofcourse.But its upward force would be fast I guess.
I think the attraction of all objects is like the water droplet fusing with the one next to it.as if natures common elements feel the need to attract one another.
Question-1If we were on a atmosphereless planet in the solar system,wouldnt we weigh nothing?My answer is yes as there is no atmosphere.
I can only speculate that all things on earth were made at ground air pressure(high pressure),so were all pushed to the high pressure areas-eg-the ground.everything on earth is a compressed mixture of O2,Hydrogen and many more elements.I asked why 1" cube of metal weighed more than a 1" cube of water.The main differences were,that there were 4 oxygen atoms in iron,and only 1 oxygen atom in water.
Oxygen only makes up 21% of our atmosphere,so the oxygen layer of earth could be within the earth?Just like trees turn bad air into good.
What about the trick of finding water using a stick-interesting.Like element at work here maybe.