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Some people believe that gravity doesn't exist
#41
RE: Some people believe that gravity doesn't exist
(October 19, 2017 at 7:44 am)Gawdzilla Sama Wrote:
(October 19, 2017 at 7:36 am)Anomalocaris Wrote: That’s one way to look at it.

Another way is when the submarine is floating, it’s water displacing shape is the usual cigar shaped cylinder that exclude water from its outside.  When it submerges, it’s water displacing shape becomes a complicated thing in which various parts of the interior of cylinder  transforms into pinched off pockets of the exterior water.

So the submarine changed its water displacing shape, even if not its hydrodynamic shape, when it submerges.
Not really, because the buoyancy tanks are closed off from the outside. The water in the tanks is the same as the equipment or the crew when it comes to buoyancy.

The buoyancy tank no longer displace water. It accommodate water now.
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#42
RE: Some people believe that gravity doesn't exist
-and yet it's shape hasn't changed. So it must be something else that accounts for the new behavior. I wonder if there's a term for that something? Wink
I am the Infantry. I am my country’s strength in war, her deterrent in peace. I am the heart of the fight… wherever, whenever. I carry America’s faith and honor against her enemies. I am the Queen of Battle. I am what my country expects me to be, the best trained Soldier in the world. In the race for victory, I am swift, determined, and courageous, armed with a fierce will to win. Never will I fail my country’s trust. Always I fight on…through the foe, to the objective, to triumph overall. If necessary, I will fight to my death. By my steadfast courage, I have won more than 200 years of freedom. I yield not to weakness, to hunger, to cowardice, to fatigue, to superior odds, For I am mentally tough, physically strong, and morally straight. I forsake not, my country, my mission, my comrades, my sacred duty. I am relentless. I am always there, now and forever. I AM THE INFANTRY! FOLLOW ME!
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#43
RE: Some people believe that gravity doesn't exist
What me and Anomalocaris are stating here is that mass is the cause of the problem and because of that it can't be the answer. For example: When i think of a ship to carry petroleum I'm not gona reduce it's mass so that it could float , it won't serve my anything good because the ship will only be able to sustain herself and no amount of petroleum.
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#44
RE: Some people believe that gravity doesn't exist
(October 19, 2017 at 7:43 am)Anomalocaris Wrote:
(October 19, 2017 at 7:39 am)Succubus Wrote: No.

Yes.   A submarine submerges by reducing the amount of water it displaces.  It does so by allowing water into parts of its interior, name the ballast tanks, that formerly excluded, thus displaced, water...

"Water displacing shape"* + Google = In order to show you the most relevant results, we have omitted some entries very similar to the 12 already displayed.
If you like,


*Scare quotes in the Google search. Water displacing shape is not an engineering term.

You try it. Drop this into Google "Water displacing shape" With the quotes.
It's amazing 'science' always seems to 'find' whatever it is funded for, and never the oppsite. Drich.
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#45
RE: Some people believe that gravity doesn't exist
(October 19, 2017 at 7:51 am)Khemikal Wrote: -and yet it's shape hasn't changed.


It’s external shape hasn’t changed. But who said the shape effecting water displacement has to be a single external shape? The shape of the parts that excluded water has changed.

(October 19, 2017 at 7:52 am)Succubus Wrote:
(October 19, 2017 at 7:43 am)Anomalocaris Wrote: Yes.   A submarine submerges by reducing the amount of water it displaces.  It does so by allowing water into parts of its interior, name the ballast tanks, that formerly excluded, thus displaced, water...

"Water displacing shape"* + Google = In order to show you the most relevant results, we have omitted some entries very similar to the 12 already displayed.
If you like,


*Scare quotes in the Google search. Water displacing shape is not an engineering term.

You try it. Drop this into Google "Water displacing shape" With the quotes.

It’s a concept that flows from understanding of buoyancy.
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#46
RE: Some people believe that gravity doesn't exist
Hydrodynamic shape is , wich includes a shape that could displace a large amount of water.
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#47
RE: Some people believe that gravity doesn't exist
(October 19, 2017 at 7:53 am)Anomalocaris Wrote:
(October 19, 2017 at 7:51 am)Khemikal Wrote: -and yet it's shape hasn't changed.


It’s external shape hasn’t changed.  But who said the shape effecting water displacement has to be a single external shape?  The shape of the parts that excluded water has changed.

We don't say that a boxes shape has changed depending on whether or not it's full.
I am the Infantry. I am my country’s strength in war, her deterrent in peace. I am the heart of the fight… wherever, whenever. I carry America’s faith and honor against her enemies. I am the Queen of Battle. I am what my country expects me to be, the best trained Soldier in the world. In the race for victory, I am swift, determined, and courageous, armed with a fierce will to win. Never will I fail my country’s trust. Always I fight on…through the foe, to the objective, to triumph overall. If necessary, I will fight to my death. By my steadfast courage, I have won more than 200 years of freedom. I yield not to weakness, to hunger, to cowardice, to fatigue, to superior odds, For I am mentally tough, physically strong, and morally straight. I forsake not, my country, my mission, my comrades, my sacred duty. I am relentless. I am always there, now and forever. I AM THE INFANTRY! FOLLOW ME!
Reply
#48
RE: Some people believe that gravity doesn't exist
(October 19, 2017 at 7:51 am)Khemikal Wrote: -and yet it's shape hasn't changed.  So it must be something else that accounts for the new behavior.  I wonder if there's a term for that something?  Wink

I believe the term you are looking for is, 'dislocating'.
It's amazing 'science' always seems to 'find' whatever it is funded for, and never the oppsite. Drich.
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#49
RE: Some people believe that gravity doesn't exist
Just for clarity, I know what you mean to say here Anom..I'm just suggesting that it's a novel descreption for things already better described elsewise. That, for purposes of bouyancy, imagining the cigar shape with the tanks empty, it's displacement is x...but the same craft with the tanks simply removed doesn;t displace the same amount of water..and filling the tanks produces the same effect as the tanks having been removed entirely.

A better example of that would be a buoy with external and detachable floats, though.
I am the Infantry. I am my country’s strength in war, her deterrent in peace. I am the heart of the fight… wherever, whenever. I carry America’s faith and honor against her enemies. I am the Queen of Battle. I am what my country expects me to be, the best trained Soldier in the world. In the race for victory, I am swift, determined, and courageous, armed with a fierce will to win. Never will I fail my country’s trust. Always I fight on…through the foe, to the objective, to triumph overall. If necessary, I will fight to my death. By my steadfast courage, I have won more than 200 years of freedom. I yield not to weakness, to hunger, to cowardice, to fatigue, to superior odds, For I am mentally tough, physically strong, and morally straight. I forsake not, my country, my mission, my comrades, my sacred duty. I am relentless. I am always there, now and forever. I AM THE INFANTRY! FOLLOW ME!
Reply
#50
RE: Some people believe that gravity doesn't exist
(October 19, 2017 at 7:55 am)Khemikal Wrote:
(October 19, 2017 at 7:53 am)Anomalocaris Wrote: It’s external shape hasn’t changed.  But who said the shape effecting water displacement has to be a single external shape?  The shape of the parts that excluded water has changed.

We don't say that a boxes shape has changed depending on whether or not it's full.

But how much Air a box displaces depends on whether there is air inside or not.

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