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  LiveWire / Teen Forums / Science & Business / Viewing Topic

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


Dairy Product Addict 		Reply
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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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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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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