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  LiveWire / Teen Forums / Science & Business / Viewing Topic

Does gravity exist?
Replies: 72Last Post Jan. 13, 2007 10:32am by norock
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The Samsoniteman


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It all depends on who how gravity is transmitted. If it moves through the universe via gravitons that have mass then obviously mass is needed. But if it's a massless wave (or something else that's massless) then no mass is needed. Just like you don't need wind for a yacht to exist.

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4:28 am on Dec. 10, 2006 | Joined: June 2004 | Days Active: 1,199
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libertine

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This post is missing and most likely cannot be recovered.

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AtomicCactus


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Gravity is not a force exclusive to the Earth.  Should Earth be obliterated, there'd still be gravitational forces from other celestial bodies.  Albeit, almost infinitesimally small.

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The Samsoniteman


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ajm51987


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Quote: from negative0 at 6:57 am on Dec. 9, 2006

well, this was an interesting topic. about... 24 replies with the exact same answer? nice.

YOU.

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AtomicCactus


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You'd think a thousand miles would be enough,
I guess I'll keep walking.

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NEGATIVE0


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twigworm


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back when people didn't in habit the earth there was nothing on it and there was still gravity does that answer your question

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The Samsoniteman


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Gravity is a universal force. It exists even when you remove the things it acts upon.

Do cars disappear if you remove roads? Do trains disappear if you remove tracks? NO!

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children of the wood


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Conservation of matter means matter is conserved, its impossible to get rid of matter. Mass is the amount of matter something has. Black holes suck because they have a huge mass meaning alot of matter just alot of matter really compact. Gravity is based souly on mass but mass can't be destroyed.

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The Samsoniteman


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This post is missing and most likely cannot be recovered.

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10:42 am on Dec. 14, 2006 | Joined: June 2004 | Days Active: 1,199
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libertine

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Quote: from The Samsoniteman at 6:42 pm on Dec. 14, 2006

Gravity is a force that acts on mass. You can have gravity without mass like you can have water without fish. And it's the conservation of energy, not mass.

Wha..? I was under the impression relativity predicted that  gravity was a result of mass warping spacetime...?

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Solstice


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Science in my opinion is simply finding something you have no idea about or how it works, how it got there, or what it's for.. and thinking up a word to give it some sort of meaning other than its existence..

"Gravity" is the word that has been given to the force that attracts objects to that of a much greater mass, and thus why we are stuck to the ground. So since we invented it, it exist..

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The Samsoniteman


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Quote: from Just another kid at 9:41 pm on Dec. 14, 2006

Wha..? I was under the impression relativity predicted that  gravity was a result of mass warping spacetime...?

It is, and the ability to warp it is mediated by a force. Some people believe the force is caused by gravitons.

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12:57 am on Dec. 15, 2006 | Joined: June 2004 | Days Active: 1,199
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