Gravity and few other queries here!!?
484687
A.) In his General Theory of Relativity, Einstein developed a mathematical description of gravity—one that links space to time and mass to energy in a fundamentally geometrical fashion. In other words, mass(-energy) shapes space(-time) instead of acting like a “force” in the traditional Newtonian sense.  (Thus, in Newton’s description of gravity, one would say that all bodies exert an attractive gravitational force on one another. In Einstein’s conception, one would say that all bodies change the underlying geometry of space-time in a way that causes them to be attracted to one another.)  Thus, our best understanding of gravity is that it’s a fundamental property of space-time to be “warped” by the presence of mass(-energy). So gravity is simply a property of space-time, and most likely, it came into existence at the same time.  (One caveat: curvature or warping really only provides an analogy to what the equations tell us. If you want to imagine the effects of an object on its surrounding space-time, then you can think of it as changing the shape of space-time in its vicinity. The distortion is real—we can measure its effects—but the images that are often presented of flexible sheets of space-time with bowling balls or marbles rolling around on them, for example, simply present analogous situations.)\n\nB.)  Spinning is a common attribute of objects in the Universe because the way things form virtually always leaves them in rotation, and once things get started rotating, it’s hard to make them stop.  It’s not intuitively obvious, but if you take, say, a cloud of gas and dust collapsing to form a planetary system, then averaging all the random motions of the particles will leave you with some tiny element of rotation.  As the collapse takes place, any rotation will be magnified, so you end up with planets revolving around their parent stars, and planets themselves rotating on their axes.\n\nC.)  It’s doubtful that we’ll ever acquire much in the way of interstellar real estate, simply because the distances involved are so great.  Our best hope is to carry on radio communication with them, but even at the speed of light, it would take decades or centuries for radio signals to travel between us and the stars currently within our range of communication.\n\n\nRyan Wyatt\nRose Center for Earth & Space\nNew York, New York
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No. Gravity has to do with the mass of objects--you have some too.
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Gravity, its weight, friction\nThat's about it.
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Yes, anything with mass generates gravity.  Gravity will only effect things which have mass, so the fact that you are stuck down means you have mass, and thus gravity.
939750
W=mg ... where g is the gravitational acceleration
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assume that just for 1 second gravity goes off and comes back, what will happen??? is it possible??? no funky answers please. genuine replies are appreciated.
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Up or away from the center of gravity.
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Did you put your entire homework assignment on here? I noticed you posted a bunch of science questions just now.\nIf you don't have your textbook handy [you really should be looking up these answers so that you can remember and understand them when you have your test/exam], go to the links below and look them up. The 1st is a down loadable physics textbook. The 2nd has animations of physics.
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As mentioned in other replies, physicists don't yet have all of the "how" questions answered. Einstein, in the General Theory of Relativity, pretty much nailed the underpinnings of the current theoretical understanding of gravity. Here is my attempt at the "nutshell." I'll start with an analogy. Let's say you are driving somewhere in the midwest or plains states--essentially flat ground, with a few rolling hills. Let's say you stop your car at the top of a slight rise. As you look around you, you see flat land in every direction. You're sitting on essentially a two-dimensional plane. Taking your foot off the brake, you notice the car starting to roll forward. Your initial observation about the 2-dimensional "space" you were sitting on isn't quite accurate. The 3rd dimension (altitude) has come into play, and gravity is pulling your car into the swale. What Einstein said (and how he came up with this back in the early 1900's is incredible) was that our THREE dimensions are really a slightly inaccurate description of the world (and universe) we inhabit. A fourth dimension, time, is part of the "fabric" of our surroundings. As in the case of that slight "warp" in the 2-dimensional farmland that led to a noticeable effect on your car, Einstein said that warps in the space-time continuum are experienced as gravity. As you know, Einstein was into the "energy = mass" thing big time, and you know that mass is tied up with gravity as well. If you want to get more cozy with these related concepts, I strongly recommend David Bodanis' book, "E=mc2: A Biography of the World's Most Famous Equation" -- available as a "BooksOnTape." It's exciting, full of cool anecdotes about the heroes of 20th century physics, and... NO MATH, just concepts. Best of luck!
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Einstein's law of gravitation. It certainly looks nicer than Newton's :P
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I don't know what exactly is your question! If anti-gravity could be manipulated ever, i think if would be very useful for us, maybe even in interstellar travels.
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gravity and inertia\n\nread more below. It is really fascinating.
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It's gravity that keeps everything in place. And ya'll, don't be hatin' on this persn, it's just a question!
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I do not know you that well yet...............\n\n\nHow about a physics question or something challenging?
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gravity is stronger, leave it down
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Gravity is everwhere but less or more, depends on the matter.
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Um... I think maybe pull... if something is rotating/turning it is creating it's own little gravity field (I think!) therefore making it easier to pull.  I'm no scientist but this is an educated guess.