increase Earth's gravity

info_learner · Post by **info_learner** » Thu Mar 23, 2006 10:17 pm

I would like to know if it's possible for an increase in Earth's gravity. I don't mean the gravity increase of Earth, but can you increase gravity within a room or something.

Like increasing Earth's gravity by maybe 10% or something in a room. I think this would be hard to do, but I want to know if it's possible, and if so, any additional info including maybe a site would be appriciated.

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Red Squirrel · Post by **Red Squirrel** » Thu Mar 23, 2006 10:51 pm

There probably are ways to create your own gravity, so by doing so and making it force towards earth's centre it would increase the gravity.

Look at the deathstar for example, it had it's own gravity and it was rather strong too, pulled in ships and they could not escape the gravitational force.

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Clueless · Post by **Clueless** » Thu Mar 23, 2006 11:16 pm

Red Squirrel wrote: Look at the deathstar for example, it had it's own gravity and it was rather strong too, pulled in ships and they could not escape the gravitational force.

that was a MOVIE red. you cant use that as an example

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Chris Vogel · Post by **Chris Vogel** » Thu Mar 23, 2006 11:28 pm

According to our current understanding of gravity, the force of gravity between two objects can be increased by two ways: increasing the mass of either object or decreasing the distance between their centres.

Here is an equation to calculate the force of gravity:

g = [G(m_1)(m_2)] / r²

g = force of gravity
G = constant (never changes) ≈ 6.67 * 10^(-11) (N*m²) / kg²
m_1 = first mass
m_2 = second mass
r = distance between the objects’ centres

(I can use LaTeX for prettier formatting at your request.)

Human technology cannot add the required amount of mass, nor can it drill to anywhere near the centre of the Earth. (I’m not saying that being near the centre would increase the force of gravity by at least 10%, but it would increase it somewhat. I can get a percentage with that equation if you really want me to.)

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Chris Vogel · Post by **Chris Vogel** » Thu Mar 23, 2006 11:47 pm

This topic was moved from Anything Goes to Studies of Science by Tak at the time of this post.

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minime · Post by **minime** » Thu Mar 23, 2006 11:49 pm

Tak wrote: This topic was moved from Anything Goes to Studies of Science by Tak at the time of this post.

will i be dam

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Bookworm · Post by **Bookworm** » Fri Mar 24, 2006 12:03 am

info_learner wrote: Like increasing Earth's gravity by maybe 10% or something in a room. I think this would be hard to do, but I want to know if it's possible,

Is there some particular reason you need a room with 10% extra gravity? I personally would go for decreasing gravity by 10%. It would make getting up from my chair a bit easier.

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Chris Vogel · Post by **Chris Vogel** » Fri Mar 24, 2006 12:46 am

Bookworm wrote: Is there some particular reason you need a room with 10% extra gravity? I personally would go for decreasing gravity by 10%. It would make getting up from my chair a bit easier.

Time in a more powerful gravitational field passes more slowly than time in a less powerful gravitational field. You may have less weight than your hypothetical, identical twin who sits outside the room, but you will age faster!

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info_learner · Post by **info_learner** » Fri Mar 24, 2006 2:53 pm

So there probably is a way to increase gravity in a room you guys are saying. But is there a way like say I could do it myself, or could you guys maybe leave me some sites I could look at.

by the way, thanks for your helpful info

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Chris Vogel · Post by **Chris Vogel** » Fri Mar 24, 2006 3:19 pm

info_learner wrote: So there probably is a way to increase gravity in a room you guys are saying. But is there a way like say I could do it myself, or could you guys maybe leave me some sites I could look at.

by the way, thanks for your helpful info

No, it is an absolute impossibility with our current technology and understanding of physics. Gravity is by far the weakest force we know of. It takes an unimaginable amount of mass to make any difference.

Of course, I could be wrong. If there are any Web pages discussing this, you will probably find them with Google.

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Clueless · Post by **Clueless** » Fri Mar 24, 2006 11:22 pm

lol what are you trying to do?! why would you want to increase the gravity, you'd just feel heavier

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Red Squirrel · Post by **Red Squirrel** » Sun Mar 26, 2006 12:53 am

Actually you could simulate gravity if you use centrufugical(sp?) force in a spinning object. The room could be shaped as a cylinder that spins very fast, the walls would be the ground because of the centrufugical(sp?) force. But this is different then actual gravity it would only simulate it.

Oh and the deathstar exists, it's been built by nasa and the US air force a long long time ago in a galaxy far far away, in order to destroy iraq.

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Chris Vogel · Post by **Chris Vogel** » Sun Mar 26, 2006 11:27 am

Red Squirrel wrote: Actually you could simulate gravity if you use centrufugical(sp?) force in a spinning object. The room could be shaped as a cylinder that spins very fast, the walls would be the ground because of the centrufugical(sp?) force. But this is different then actual gravity it would only simulate it.

I feel like such an idiot for forgetting that!

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Red Squirrel · Post by **Red Squirrel** » Sun Mar 26, 2006 1:51 pm

But to make you feel better, correct my spelling for centrufugical since I know I spelt that wrong.

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andthebeast13 · Post by **andthebeast13** » Sun Mar 26, 2006 6:48 pm

Red Squirrel wrote: But to make you feel better, correct my spelling for centrufugical since I know I spelt that wrong.

i hate to burst bubble here, but actually if you dig into the center of the earth you will weigh less and less till at the very center you will weigh nothing.
i had to prove that in calc based physics on my final in college

also, im not sure about this but i thought time was slower in less gravity???
i might be wrong on that though

and with the present technology, there is no way to create a stronger gravitational field without using artificial gravity (such as a centrifugal machine of some sort)
i guess one could move to another planet with a larger mass or increase earth's mass by crashing other planetary bodys into it
basically... you need artificial gravity or move to jupiter

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Chris Vogel · Post by **Chris Vogel** » Sun Mar 26, 2006 7:52 pm

andthebeast13 wrote:
Red Squirrel wrote: But to make you feel better, correct my spelling for centrufugical since I know I spelt that wrong.

i hate to burst bubble here, but actually if you dig into the center of the earth you will weigh less and less till at the very center you will weigh nothing.
i had to prove that in calc based physics on my final in college

Ah! I was limiting my scope to that equation. I didn’t even think of the mass above pulling you up. Or does that even have anything to do with it?

andthebeast13 wrote: also, im not sure about this but i thought time was slower in less gravity???
i might be wrong on that though

I hope NOVA is trustworthy.

http://www.pbs.org/wgbh/nova/einstein/relativity/ wrote: If gravity is equivalent to acceleration, and if motion affects measurements of time and space (as shown in special relativity), then it follows that gravity does so as well. In particular, the gravity of any mass, such as our sun, has the effect of warping the space and time around it. For example, the angles of a triangle no longer add up to 180 degrees, and clocks tick more slowly the closer they are to a gravitational mass like the sun.

Thank you for pointing out my error, Andthebeast13! I apologise to Info_learner for the false information. I guess your task is a bit harder than I thought.

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Bookworm · Post by **Bookworm** » Mon Mar 27, 2006 12:07 am

I found this site, but they gave less of an answer than what we did.

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Red Squirrel · Post by **Red Squirrel** » Mon Mar 27, 2006 1:15 am

andthebeast13 wrote:
Red Squirrel wrote: But to make you feel better, correct my spelling for centrufugical since I know I spelt that wrong.

i hate to burst bubble here, but actually if you dig into the center of the earth you will weigh less and less till at the very center you will weigh nothing.
i had to prove that in calc based physics on my final in college

also, im not sure about this but i thought time was slower in less gravity???
i might be wrong on that though

and with the present technology, there is no way to create a stronger gravitational field without using artificial gravity (such as a centrifugal machine of some sort)
i guess one could move to another planet with a larger mass or increase earth's mass by crashing other planetary bodys into it
basically... you need artificial gravity or move to jupiter

That does make sense though, since the bigger the planet, the stronger the gravity, and it's because you're further from the centre at ground level.

And if you were to dig to the centre once you get there you would float or maybe fall back and forth till you balance out.

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robonightmare · Post by **robonightmare** » Sun Apr 09, 2006 1:03 am

info_learner wrote: I would like to know if it's possible for an increase in Earth's gravity. I don't mean the gravity increase of Earth, but can you increase gravity within a room or something. Like increasing Earth's gravity by maybe 10% or something in a room. I think this would be hard to do, but I want to know if it's possible, and if so, any additional info including maybe a site would be appriciated.

sry its impossible unless you can increase earths mass or bend space time.
gravitiy is the warping of space-time via earth's mass,so we cant do it at the moment.

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robonightmare · Post by **robonightmare** » Sun Apr 09, 2006 1:07 am

Red Squirrel wrote: Actually you could simulate gravity if you use centrufugical(sp?) force in a spinning object. The room could be shaped as a cylinder that spins very fast, the walls would be the ground because of the centrufugical(sp?) force. But this is different then actual gravity it would only simulate it.

Oh and the deathstar exists, it's been built by nasa and the US air force a long long time ago in a galaxy far far away, in order to destroy iraq.

actually, you are right.
thats how there is simulated gravity on some space stations.

and the "death star exists thing"?
ru ok? been hackin into the pentagon lately, HMMMMM????

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