Gravity

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Originally Posted by pinkyslayer

if gravity holds us to the earth, and also gives us a sense of up and down, in a way, then why dont people in antarticta or other places below the equator experience a constant upside down sensation?

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Exactly because it gives us the sense of up and down. For us, "down" is to where gravity attracts us to. So, the "down" is always towards the earth, no matter where we are at it.

Also, the north hemisphere only points upwards in the school maps. The earth is a sphere, and there is no absolute upwards or downwards in the space, so each point of the earth can be said to be pointing upwards, or downwards, or whatever, but its only matter of choice. The direction is relative, and depends only of the position of the observer.
For me, who am in the south hemisphere, im pointing upwards (cause the earth is below me) and everybody in the north hemisphere (most of you) are pointing downwards. So, its you who should be feeling upside down!

I thought gravity was caused by the fact that the world is constantly spinning...

Like if you take a bucket with water and spin it around really fast nothing falls out of it.

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Originally Posted by rebgirl420

I thought gravity was caused by the fact that the world is constantly spinning...

Like if you take a bucket with water and spin it around really fast nothing falls out of it.

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That's centrifugal force....

Actually Gravity comes from another dimension... at least thats what quantum physics say... considering the other forces of nature, gravity is pretty week seeing how the entire earth is pulling on us... since we live in an 11 dimension universe, scientists say that gravity leaks in from another dimension... I believe its part of M theory, If I'm not mistaken...

this documentary should put a lil in perspective...

YouTube - Parallel Universes - BBC documentary - Part 1

to discuss things like this at this current point in time is almost pointless because we are verging on such incredible discoveries in quantum physics that it will be a long time before we really know whats going on. I just hope that they turn on the time machine before i die

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Originally Posted by Esoteric416

have u ever put a bowling ball in the middle of a trampoline then rolled some other smaller balls around on the surface? If not give it a try. This is a simplified way of illustrating how gravity works reletive to an objects mass. The surface of the tramp is like the fabric of space/time being curved by the mass of the bowling ball the other balls fall toward it because it's mass is greater. Does this explain why gravity works the way it does? Sorry no. So i guess Coelho's answer was the most direct one.
Still give the bowling ball thing a try it's just fun. :D

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hes right this can illistrate how gravity works as we belive (as far as we know, this can change) we and all that is belongs to a fabric of sorts, space and time some say, woven dimetions othes say, I say we are all in a kaotic dance with everything that is and that is not. Gravity is observed by the bowling ball on a tampoilin because it sits on the fabrice of space and time. its mass makes it sit low in the fabric and all that is lighter than the ball rolles too it unless it is far enough away and has enough of its own mass to keep its self away from the bowling ball.

An example is if 2 bowling balls sat at each end of the trampolin not moving at rest it is possible that they will never be attracted to eachother, however if you started to put say 2 baseballs in the middle of the trampolin eventulay they will start to roll towards a bowling ball (it is unknown at this point which bowling ball they will move towards because of placement or movement of the baseballs when place on the tampoline). If you keep adding baseballs to the middle they will start to roll toward the bowling ball with the most base balls around it. This is because the smaller balls are attracted to the heaiver mass ( the bowling ball with more baseballs around it). eventually after you keep adding Baseballs you will have one bowling ball with a large number of baseballs around it and a bowling ball with fewer baseballs around it. At this point the baseballs you keep adding to the middle of the tramploilne just travel to the bowling ball with the most baseballs around it, till eventually the trampolin is wieghted down to the point where the bowling ball on the otherside of the tramppolin is affect by the weight and is now attracted by the bowling ball with the most baseballs around it. At this time the Bowling ball at the other side begans its joyrney along with the few balls it has closer to the ball with the most baseballs and eventualy they will both start to move closer to eachother, with the heviest bowling ball moving the least and eventualy keeping and joining the other bowling ball with its balls.

At this point I am no longer high and have forgotten what the discution was about but gravity is not so elusive in fact it is very hard to miss.

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Originally Posted by Coelho

For me, who am in the south hemisphere, im pointing upwards (cause the earth is below me) and everybody in the north hemisphere (most of you) are pointing downwards. So, its you who should be feeling upside down!

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Oh my God, Coelho! You are in the southern hemisphere! Hang on and don't fall off the bottom of the Earth! I'll get a long rope and fling it over the edge so you can grab on!

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Originally Posted by MadSativa

hes right this can illistrate how gravity works as we belive (as far as we know, this can change) we and all that is belongs to a fabric of sorts, space and time some say, woven dimetions othes say, I say we are all in a kaotic dance with everything that is and that is not. Gravity is observed by the bowling ball on a tampoilin because it sits on the fabrice of space and time. its mass makes it sit low in the fabric and all that is lighter than the ball rolles too it unless it is far enough away and has enough of its own mass to keep its self away from the bowling ball.

An example is if 2 bowling balls sat at each end of the trampolin not moving at rest it is possible that they will never be attracted to eachother, however if you started to put say 2 baseballs in the middle of the trampolin eventulay they will start to roll towards a bowling ball (it is unknown at this point which bowling ball they will move towards because of placement or movement of the baseballs when place on the tampoline). If you keep adding baseballs to the middle they will start to roll toward the bowling ball with the most base balls around it. This is because the smaller balls are attracted to the heaiver mass ( the bowling ball with more baseballs around it). eventually after you keep adding Baseballs you will have one bowling ball with a large number of baseballs around it and a bowling ball with fewer baseballs around it. At this point the baseballs you keep adding to the middle of the tramploilne just travel to the bowling ball with the most baseballs around it, till eventually the trampolin is wieghted down to the point where the bowling ball on the otherside of the tramppolin is affect by the weight and is now attracted by the bowling ball with the most baseballs around it. At this time the Bowling ball at the other side begans its joyrney along with the few balls it has closer to the ball with the most baseballs and eventualy they will both start to move closer to eachother, with the heviest bowling ball moving the least and eventualy keeping and joining the other bowling ball with its balls.

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Is this why I keep getting hit in the balls?