if the planet spins which it does-how come we dont get dizzy?
958395
we're used to it. Ha.  I don't know.
1064813
every one is wrong except one guy it cuz of centriptal force if u want to get in detail here it is   consider earth rotating along its axis gravity is acting along centre any force acting  opposite to it will reduse its effect   take a body on equator as earth is rotating body will have a force acting opposite to tat of gravity it is same as on feel in car when it is taking turn out side right  but when body is at pole it wont have tat force cuz pole is on the axis imagine whole situation  magnetic force wont have ny effect
805592
first: by world, do you mean earth? \nIf so, think about all things spinning, are they not always more or less round or oval shaped? Actually so is the earth. \nOn the other way,I think that by spinning, a lot of things get that shape. Especially as like the stars and planets, they tend not to be in a fully finish state. Ok, that is my answer but I am no astronom only a nurse... MC
195652
the earth is a oblate spheroid....we do not fall to the edges because of the gravitational pull...
320933
Two reasons:\n\nPrimary = spinning + gravity = natural inclination of the material to slowly reach equilibrium. Anything that is not "round" gets pulled/shifted toward the center of gravity (the center of the Earth). The spinning helps this process over billions of years.\n\nSecondary = weather. Erosion constantly smoothing out "bumps" (mountains).\n\nIf this is the best answer, please vote it the best answer. Thanks!
168503
Finally, the gravitational pull between the Earth and Sun causes the Earth to travel around, or "orbit", the Sun at a velocity of 29.8 km/sec. At the same time, the Earth also turns on its axis causing the daily cycle of day and night. This "rotational velocity" is approximately .47 km/sec. That means that at the same time we're hurdling through space at nearly 67,000 mph, we're also spinning around in circles at over 1000 mph! Whew! Almost makes you dizzy, doesn't it?
1066805
It is in such exact balance because of the way it was created over many 100 million years before the earth and other planets even existed.  The dust which later came to be the solar system was attached to each other by gravitational forces, and the dust cloud started spinning because it had some directional speed and "missed" the center of the point of what was later to become the center of the solar system.  As more dust was collected and the cloud got bigger the entire system ended up as a giant spinning disc which was prevented from falling into itself by centrifugal forces.  As even more dust is collected the majority is collected at the center of gravity like water spinning down the drain to create sufficient mass to become the sun, and the dust which did not reach the center of the spinning disc create local maximums, and eventually collapsed under gravitational forces into planet -- each planet inheriting some of the spinning nature of all the material they were made up of and hence were spinning on their own, which still maintaining a circular orbit around the center of the spinning disc which is now the sun .....\n\nGravitational and centrifugal forces is more than sufficient to explain both how the hole thing can into existence as well as how it maintains stability -- electromagnetism, while being a great force, only works on near sub-atomic particles -- at least it does not work long distance, as well as the power is just not there to create anything which would cause a cont ant field to explain anything.
256767
I'm not sure I really understand your question.  Are you how fast a particular point on earth is moving?  If that is the case it's not an easy answer because it depends where you are on the planet.  If you are on one of the poles then there is very little rotational speed.  If you are on the equator then your velocity is much greater.  Think of it like a CD in a CD player.  Also you would need to factor in the speed of the earth as it travels around the sun sometimes spinning in the same direction the earth is traveling resulting in a greater total velocity and sometimes spinning in the opposite direction yielding a lower total velocity.  The final analogy would be to tie a CD player to a string and swing it in circles while the CD is playing.  The speed of a single point, other than the center, of the CD is constantly changing.  However, it's still not even that simple due to the earth's eliptical orbit and varied velocity.
467215
Spin relative to what?\n\nThe spin of the Earth about its own axis causes day and night but only because the spin is not synchronised with the orbit of the axis around the sun.  Mercury spins once on its axis for every orbit and so always has the same face to the sun.  It could be said in this case that Mercury does not spin, but that is only relative to the orbit of Mercury.\n\nImagine a frame of reference that is fixed in space like the grid lines on a map.  If a planet did not spin on its axis relative to this reference, then it would have a day/night cycle that took one orbit to complete (this would be one year for the Earth).\n\nIt is also believed that the spin of the Earth contributes to the generation of the magnetic field, so if the spinning stopped or slowed (relative to any reference) we could loose the magnetic field and thus be exposed to higher radiation levels from the sun.
407965
Because as the earth spins, it creates a force called gravity. This force pulls all objects to the ground. You can create a simply lab to create gravity your self.\n\nDo this outdoors. Fill a bucket with water. Now whirl it around as fast as possiable. The water will stay in the bucket, even when it's upside down. This is due to the gravity created in the bucket. I hope this helps.
414593
Hi Keenan!  Im Matt, an astronomy wizz.  If you look at most astronomy questions where I am, my answers are usually always the best of the best thanks to my power source, Blue Moons to Black holes By Melton Knocke.\n\nAnyway your question:\n\nEarth is moving fast, despite what people think.  It spins at about 1000 miles per hour, and goes 67 miles per hour around the sun.  You'd think that you would feel the spinning right?  WRONG!!!!  Sorry, cant help it.  Its so fun.  ANyway, the reason: All of the motions are almost completely constant. \n\nDon't get it?  Ever ride a train?  If you haven't, you can surely picture it as a car if you wish.  Notice how you feel abolutly no motion pretty much unless you speed up, slow down, or hit a bump?  Thats the same reason the earth never can be felt.  Its always going at a constant speed, never slowing unless it actually is hit with something dangerous enough to wipe out the human race.  \n\nThere is also another way in which we could indirectly feel the Earth's spin. Above we said that the Earth spinning is an example of almost constant motion. The reason we said "almost" is that the Earth's spin carries us around in a circle, not in a straight line. It's a very big circle, and it takes a long time to go around, but qualitatively it is the same thing that happens on a spinning amusement park ride, where it feels like you're being flung outward as the ride spins around. The spinning Earth is flinging us away from its surface a tiny bit, so that we weigh a little less than we would otherwise, simply because we are not being held down to the surface as tightly. \n\nAnyway, my answer is yours truly.  Enjoy!  Have fun.
446986
Yes, it does, but by a very negligible amount.\n\nDue to the law of conservation of angular momentum, the Earth has some over all value for its angular momentum (and for that matter, so does the solar system and our entire galaxy, ... as well).  As thr plane is flying around the Earth, it has some angular momentum too, different from its original value just sitting still on the surface.  In order for the overall angular momentum of the Earth to remain constant, the Earth's rotation is effected ever so slightly.\nHowever, the effect is so small, it is not even noticible when we are talking about objects as miniscule as an air plane compared to the Earth.\nAlso, since, over all, on average, for every plane flying one way, there is another plane flying the other way (or when the plane returns), so the effects are all canceled out.\n\nIt is the same principle at work is your on a merry-go-round and you move closer in to the center or farther away (or in this case, around while spinning on the merry go round), angular momentum needs to be conserved, it is the law.
365770
i dont' know what causes the rotation of an orbiting planet, but the moon would definitely have gravity even if it didn't spin.  that dude was full of crap.  if anything, the spin would cause things to fly off.
308954
After the Earth formed and all the component asteroids and other proto-planetary debris coalesced the residual spin from the collisions left us spinning counter-clockwise.  Were there to be another collision, a series of collisions, or close interaction with some super-massive object (i.e. black hole, brown dwarf, etc.) with enough momentum or gravity to retard, stop or reverse our rotation, it could definitely do so.  Venus is an example of a planet in a retrograde rotation (probably because some massive impact reversed its spin), so it is definitely possible...hell, Uranus spins almost 90 degrees out of alignment with the orbital plane.  Most planets in our solar system spin in relatively the same direction, and that is likely to be the case in most systems in the universe, but it is by no means set in stone.
940337
We travel an average of 1,000 miles per hour at the equator.  Because everything around us is traveling at the same speed, we do not perceive motion.  The further north (or south) from the equator the slower you travel.  At latitude 60 (mid Canada) you are traveling half as fast.  Still, the relative motion of everything makes it seem like we are standing still.  Just like when you are in a jet airplane.\n\nJust a side note about gravity as some people mentioned:  Gravity exists because of the mass of the earth, not because of spinning.  If we were to stop spinning (which in reality we are slowing down gradually) the sun would appear stationary in the sky.  Planet Mercury has a day that lasts much longer than one of our years.  It's rotation and orbit almost always keeps the same side towards the sun.  Imagine waiting a day on Mercury.
413242
The earth revolves around its axis and the reason we don’t feel it is because we live inside a bubble called the atmosphere and we’re moving along with it. It’s kinda like you in a car… you don’t feel your seat or CD case moving but they are.
986985
Okay, the obvious thing is that we would stop having the change of day and night. It would really screw up our weather. For instance, wind is created by the uneven heating of the earth. If one side were to get all the heat, that isn't quite uneven is it? Meaning no wind. meaning weather wouldn't travel.  I don't know if that means one spot wouldn't get rain. Since, the whole water cycle is still going. At least on one side of the planet. Mainly, one side of the planet would stop working. (unless tht one side is were the deepest part of the oceans are, which is were animals and plants living off the heat and gases being expelled from inside the earth. those animals would still be alive.) The other side, would become over-heated. \nHowever, gravity might still exist. I wasn't really aware until about 2 years ago, but gravity is still a theory. Why, well its b/c not all the scientists agree as to why gravity exists. one argument is that the mass of a planet bends the fabric of space which causes things to head to it. Kind of like setting a bowling ball on a bed. The reason why we're not all colliding with the sun is b/c we create our own dent. So, yes gravity might still exist, even if the planet stops spinning, b/c that migt not be the reason gravity exists.  if you really want to learn about the theory that i was talking about. and possibly get a clearer view, is by reading Steven Hawkings Universe Inside A Nutshell.