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If the World Stopped Spinning...


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#1    Egyptian-Illuminati

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Posted 23 November 2007 - 01:39 AM

I thought of something today, since we now know in science that when something spins in space, it creates its own gravitational force.
Now, we also know all the worlds spinning action determines THEIR gravity.
So what if the Earth stopped spinning? Would everything just float around?? Imagine rocks, trees, animals, WATER!(ah!) floating around the atmosphere! WOOOAAAHHHH w00t.gif

Just need someone to confirm this theory.

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#2    SS79

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Posted 23 November 2007 - 01:45 AM

Egyptian-Illuminati on Nov 23 2007, 01:39 AM, said:

I thought of something today, since we now know in science that when something spins in space, it creates its own gravitational force.
Now, we also know all the worlds spinning action determines THEIR gravity.
So what if the Earth stopped spinning? Would everything just float around?? Imagine rocks, trees, animals, WATER!(ah!) floating around the atmosphere! WOOOAAAHHHH w00t.gif

Just need someone to confirm this theory.


I guess we would all be swept up in to the atmosphere along with everything else , if it was a sudden stop the atmosphere would still be in motion and going so fast we would literally be blown away LOL

thats depressing really  blink.gif

i think we would still have gravity though but i'm no expert LOL  .

Edited by spiritual_soul79, 23 November 2007 - 01:49 AM.


#3    Ins0mniac

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Posted 23 November 2007 - 02:00 AM

The Earth's gravity has nothing to do with spinning.

Any object exerts a gravitational pull which attracts other objects. However for it to be noticeable, the object must be really big, like a planet for example.

If the Earth stopped spinning their would still be gravity.

Edited by Ins0mniac, 23 November 2007 - 02:01 AM.

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#4    glorybebe

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Posted 23 November 2007 - 02:02 AM

Ins0mniac on Nov 22 2007, 06:00 PM, said:

The Earth's gravity has nothing to do with spinning.

Any object exerts a gravitational pull which attracts other objects. However for it to be noticeable, the object must be really big, like a planet for example.

If the Earth stopped spinning their would still be gravity.


but not as much as there is when we are spinning.

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#5    Pax Unum

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Posted 23 November 2007 - 02:10 AM

Earths gravity is caused by it's mass, not it's spin... the only thing that would happen if the Earth stopped spinning is one side would fry, and the other side would freeze... IMO


#6    Mcr13

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Posted 23 November 2007 - 02:17 AM

What would happen in the middle?  happy.gif

This signature is such a drag....

#7    Pax Unum

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Posted 23 November 2007 - 02:18 AM

glorybebe on Nov 22 2007, 08:02 PM, said:

but not as much as there is when we are spinning.

I think the gravity would be 'greater' without the spin... centrifugal force (the spin), actually tries to throw objects off the surface... IMO


#8    glorybebe

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Posted 23 November 2007 - 02:18 AM

Pax Unum on Nov 22 2007, 06:10 PM, said:

Earths gravity is caused by it's mass, not it's spin... the only thing that would happen if the Earth stopped spinning is one side would fry, and the other side would freeze... IMO

I'm pretty sure that the spinning has something to do with keeping us from being sucked into the sun.  It's been 5 years since Astronomy class, and I can't remember! huh.gif

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#9    SS79

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Posted 23 November 2007 - 02:21 AM

I think and correct me if i'm wrong but doesn't the earths spinning reduce the gravitational pull slightly by something like 0.3%.




#10    avs76

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Posted 23 November 2007 - 02:23 AM

Ins0mniac on Nov 23 2007, 01:00 PM, said:

The Earth's gravity has nothing to do with spinning.

Any object exerts a gravitational pull which attracts other objects. However for it to be noticeable, the object must be really big, like a planet for example.

If the Earth stopped spinning their would still be gravity.

Spot on. Gravity is just the expression of the attraction of two objects in (close) contact. Increased attraction between two objects (in this case called gravity) is directly proportional to the mass of the objects and is inversely proportional to the distance between the objects. A massive object like earth has a certain attraction, or gravity, while the moon, with less mass, has less gravity. I am pretty sure the moon doesn't spin/rotate (relative to earth) yet it still has gravity. Although we don't know for sure as we have never really landed there...  wink2.gif


#11    dest_titor1

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Posted 23 November 2007 - 02:24 AM

lol, no, the earth no matter what would still create a bend in space-time, hence gravity.

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#12    Fluffybunny

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Posted 23 November 2007 - 02:25 AM

glorybebe on Nov 22 2007, 06:18 PM, said:

I'm pretty sure that the spinning has something to do with keeping us from being sucked into the sun.  It's been 5 years since Astronomy class, and I can't remember! huh.gif

I think you may have been absent that day. original.gif

Gravity has to do with the mass of the planet which will be here spin or not. Now imagine being on a merry-go-gound(substitute any spinning ride of choice) that is spinning fast; which way does your body want you to fall? towards the outside of the ride, because of centrifugal force from the spin. At the earths midline we are spinning at nearly 1000 miles per hour, definately no a physicist and ould need waspie to step in, but my guess would be that if the earth stopped that gravity would be in force and if anything the decrease in centrifugal force would slightly add to many peoples weight issues.

Edited by Fluffybunny, 23 November 2007 - 02:26 AM.
spelling

Too many people on both sides of the spectrum have fallen into this mentality that a full one half of the country are the enemy for having different beliefs...in a country based on freedom of expression. It is this infighting that allows the focus to be taken away from "we the people" being able to watch, and have control over government corruption and ineptitude that is running rampant in our leadership.

People should be working towards fixing problems, not creating them.

#13    dest_titor1

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Posted 23 November 2007 - 02:27 AM

avs76 on Nov 23 2007, 02:23 AM, said:

Spot on. Gravity is just the expression of the attraction of two objects in (close) contact. Increased attraction between two objects (in this case called gravity) is directly proportional to the mass of the objects and is inversely proportional to the distance between the objects. A massive object like earth has a certain attraction, or gravity, while the moon, with less mass, has less gravity. I am pretty sure the moon doesn't spin/rotate (relative to earth) yet it still has gravity. Although we don't know for sure as we have never really landed there...  wink2.gif



we landed on the moon, and if the earth stopped rotating the moon wood still spin around the earth.

Death may be the greatest of all human blessings

Socrates

Silence is the virtue of fools.

Sir Francis Bacon

The glass is never half full or half empty, the glass is just twice as tall as it should be!

Religion is a great tool for the smart and poor and hopeless, but a weapon in the hands of the ignorant and moronic and violent persons.

Religion does not start wars... Idiots that contrive and twist it to their own plot do.

#14    Ins0mniac

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Posted 23 November 2007 - 02:31 AM

If you consider the moon. It doesn't spin at all, but still has gravity. It also has a fair bit less gravity than the Earth due to being a fair bit smaller than the Earth.

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#15    glorybebe

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Posted 23 November 2007 - 02:35 AM

Fluffybunny on Nov 22 2007, 06:25 PM, said:

I think you may have been absent that day. original.gif

Gravity has to do with the mass of the planet which will be here spin or not. Now imagine being on a merry-go-gound(substitute any spinning ride of choice) that is spinning fast; which way does your body want you to fall? towards the outside of the ride, because of centrifugal force from the spin. At the earths midline we are spinning at nearly 1000 miles per hour, definately no a physicist and ould need waspie to step in, but my guess would be that if the earth stopped that gravity would be in force and if anything the decrease in centrifugal force would slightly add to many peoples weight issues.


Ok, fluffy, that had nothing to do with what I wrote.  Yes, the Earth has mass, and so it would still have gravity.  I was talking about the spinning and how important it is not just for us to have days.  

Anyway, here is  a site to answer the OP.
site

What would happen if the Earth stopped spinning?
The probability for such an event is practically zero in the next few billion years. If the Earth stopped spinning suddenly, the atmosphere would still be in motion with the Earth's original 1100 mile per hour rotation speed at the equator. All of the land masses would be scoured clean of anything not attached to bedrock. This means rocks, topsoil, trees, buildings, your pet dog, and so on, would be swept away into the atmosphere.

If the process happened gradually over billions of years, the situation would be very different, and it is this possibility which is the most likely as the constant torquing of the Sun and Moon upon the Earth finally reaches it's conclusion. If the rotation period slowed to 1 rotation every 365 days a condition called 'sun synchronous', every spot in the Earth would have permanent daytime or nighttime all year long. This is similar to the situation on the Moon where for 2 weeks the front-side is illuminated by the Sun, and for 2 weeks the back side is illuminated. This situation for the Earth is not the condition of 'stopped' rotation, but it is as close as the laws of physics will let the Earth get.



If it stopped spinning completely...not even once every 365 days, you would get 1/2 year daylight and 1/2 year nightime. During daytime for 6 months, the surface temperature would depend on your latitude, being far hotter that it is now at the equator than at the poles where the light rays are more slanted and heating efficiency is lower. This long-term temperature gradient would alter the atmospheric wind circulation pattern so that the air would move from the equator to the poles rather than in wind systems parallel to the equator like they are now. The yearly change in the Sun's position in the sky would now be just its seasonal motion up and down the sky towards the south due to the orbit of the Earth and its axial tilt. As you moved along constant lines of Earth latitude, you would see the elevation of the Sun increase or decrease in the sky just as we now see the elevation of the Sun change from a single point on the Earth due to the Earth's daily rotation.

For example, if you were at a latitude of +24 degrees North in the Summer and at a longitude where the Sun was exactly overhead, it would slide gradually to the horizon as Fall approached, but since the Sun has moved 90 degrees in its orbit, it would now be due west. Then as we approach Winter, you would now be located on the dark side of the Earth, and would have to travel in longitude to a location 180 degrees around the Earth to see the Sun 1/2 way up the sky because in the Winter, the Sun is 48 degrees south of its summer location in the sky. It's a little confusing, but if you use a globe of the Earth and orient it the right way, you can see how all this works out.

As for other effects, presumably the magnetic field of the Earth is generated by a dynamo effect that involves its rotation. If the Earth stopped rotating, it's magnetic field would no longer be regenerated and it would decay away to some low, residual value due to the very small component which is 'fossilized' in its iron-rich rocks. There would be no more 'northern lights' and the Van Allen radiation belts would probably vanish, as would our protection from cosmic rays and other high-energy particles. This is a significant biohazard.


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