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Re: [Phys-l] buoyancy on a submerged pole

brian whatcott wrote:

John M is not one to lightly contradict, no doubt,

in the words of John Denker, :-)

so I have to assume that he is supposing a water tight box that is more dense than the water in which it sinks, n'est-ce pas?

Nope. The density of the box is irrelevant.

As I mentioned in my last post, IF there is no seepage under the bottom of the box, then the bottom of the aquarium is the ONLY thing that is even CAPABLE of exerting an upward force on the box AND, since the box is at rest, it MUST.

What part of that isn't clear?

John Mallinckrodt
Cal Poly Pomona