What is Gravity dont just define its action we all know that be specific what is it ?

Question

When you ask someone what is gravity the standard answer is the force that binds us to this planet or from the plebes ..WOT HOLDS US DOWN ???? I want to know what is the specific force called Gravity as light is a radio particle what is Gravity ? as water is a chemichal combination H20 . What is Gravity we all know what Newton said it was but what do you think it is .

Answer 1

If I had a dollar for every time this question was asked, plus a dime for each bad answer, I'd be rich.

The graviton is a hypothetical particle, a virtual particle at that. No one expects to find one. It might turn out to be a useful theoretical construct, or it might not.

Gravitation is a force. That's the appropriate phenomenological term for it.

If someone's Rule 10 helps qualify me as a crackpot, so be it. We do not know how it operates. We can describe it as a warping of spacetime in the presence of matter, and that lets us do the math with astounding accuracy and reliability. But we don't know why matter has this effect.

Future progress in string theory, quantum gravity, or other relevant efforts might help us answer the question. Right now we don't have an answer. Perhaps that's surprising, given all our scientific advances and knowledge.

Answer 2

You said "as water is a chemichal combination H20". Gravity isn't a thing though. Water could be more scientifically defined because it's made up of other things. Being a force, asking what it is would be like asking what the compilation of a jump is.

everything has a weak attraction to eachother, but since the Earth, or any planet for that matter is so large, the attraction force is a little far from weak.

Answer 3

Here are some suggestions about Gravity. It is wrong to call it a force because in our minds a force is an expression of strong activity. Gravity is not just that. Then what is it? It is better understood as a phenomenon, the genesis of which can be only understood when gravity is not operative. It might surprise some that there are area out in the vastnesses of outerspace where gravity does not exist . Moreover in around planets in the solar system, gravity is practically inoperative where there is no atmosphere. It must be given to inquisitive minds like yours to investigate the possibility of gravity being the result - NOT OF A STRONG PULL EXERCISED BY THE EARTH'S CORE, BUT AN ACTIVITY WHICH PUSHES OBJECTS FROM ABOVE. sOUNDS WEIRD, DOES IT? But try to think of it the result and not the cause; perhaps then you will tend to understand a new perspective.

Answer 4

Newton's gravity equations are a close approximation of the measurable effects of gravity. (See 'precession of the perihelion of Mercury'.)
Newton's theory does not fully agree with astronomical measurements and is unfortunately not the correct theory of gravitation.
Einsteinian gravity does account for these anomalies.

Having said that:
The path of a ray of light is bent when the light passes through different media - air to glass to water, etc.

As the light passes through different materials the speed of the light changes.
These changes in speed, combined with the laws of wave mechanics, result in the ray of light being bent.

When light passes from point A, through different materials, to point B, the light is bent from the 'shortest path' to the 'fastest path'.

Light is also bent when it passes close to a massive object, like a star.
Wave mechanics causes the light to follow the fastest path.

If the light passes close to a star, the star's gravity slows down time (see 'gravitational time dilation'), which causes the light to also go slower.
To reach point B in the least time, the light 'goes around' the time distortion.
The result is that the light ray appears to be bent toward the star or other massive object.

The same thing will happen to any wave-like phenomenon including the exchange of photons which bind an electron to the neucleus of an atom resulting in the atom's path being bent toward the gravitating object.

This all happens because of the distortion of time around a massive object.

The real question is "What causes the time distortion?"

Notice that there is no need to invoke hitherto unobserved particles like 'gravitons' or even to suggest that gravity is a force, per se.

Answer 5

This is my own theory, I believe gravity is the combined effect of motion and mass, when I was a kid I went on a ride called the hearts and diamonds, which span so fast that it lifted you off the ground and glued you to the wall of the machine, overcoming gravity in the process. The earth also spins at an incredible rate and like the machine, thus glues us to its surface. More over if the earth/plants ect.. didn't spin, they would not have formed in the first place! The sun also spins and having a greater mass than the planets, they revovle around it. Even galaxys reflect this motion through there various spiral(spining) formations.
Everything has its place in the universe by it relative attraction to other obects, occasionaly an object is knocked out of its gravitational field and we get shooting stars and the like.

Answer 6

this is one of the hardest questions to answer, and is one that is at the forefront of physics (theoretical and gravitational) today. the problem is is that there is no way at all to measure gravity, in terms of what it consists of, we can measure its relative force on objects (9.8m/s2), however, we do not know its constituents. one theory is that gravity consists of small particles called gravitons.. however, gravity is hard to visualise in reality, as it operates in a total differetn way to any other force. for instance, to imagine particles coming up from the surface of whatever you are standing on, and attaching to the elevated object and dragging it down is a difficult concept to imagine. alternatively, the particles rise and get on top of the object, and then push it back down to the ground. some say it is the force of attraction between orbiting bodies. everybody who is interested in this topic of gravity has different views on the subject, and it is a question that may well never be answered. in your question to is gravity a particle.. we do not know.. noone does. as ive said, there is an example of gravitons, however, particles are now trying to be explained as strings (string theory), as apposed to being point like particles. gravity is also explained as a curvature of space time.

Answer 7

I think that gravitons more deal with the question of 'is gravity quantized?' much like charge and energy is quantized.

Gravity results from the 'curvature' of spacetime. This curvature is due to matter (large amounts of matter clumped together - planets, suns, etc.). What matter does is change how our spatial grid is warped. This is impossible to visualize, but let's use an analogy of two dimensions. Pretend that we all live on a flat plane. You are confined to live on that plane and cannot leave it - much as we can't switch into alternate dimensions here in our 3-d universe.

What matter does it take that flat grid, and bend it in some way. A great picture is available here:
http://www.zarm.uni-bremen.de/2forschung/gravi/research/EP/images/gravity_middle.jpg

Now keep in mind this is all a 2-d analogy so the picture is not totally accurate in a sense that you see that 3-d sphere there: Just recognize that as a big chunk of matter. The people living on the plane might just see a circle in their world - an intersection of the sphere and plane. It is this curvature that the people living on the plane regard as 'gravity'.
Notice that their plane is bending into the 3rd dimension (sinking down in that picture) - all that the people on the plane would notice is that they are attracted to it - they call this attraction gravity.

So back to 3-d: a way of thinking about gravity is that the presense of matter 'bends' our 3-d spatial grid into some '4th spatial dimension' which we cannot see, but the effect of it is that we are attracted to large chunks of mass (like the earth).

This way of thinking about gravity comes out of General relativity. For more information, I suggest looking up general relativity in wikipedia or any intro level general relativity book.

Hope this helps!

Edit: I also just noticed in that picture: you see a small black marble tracing out a circle around the big sphere: this is a 2-d analogy of the earth orbiting the sun due to their gravitational attraction.

Answer 8

Newton himself said it best:

"Hitherto I have not been able to discover the cause of those properties of gravity from the phenomena, and I frame no hypothesis; for whatever is not deduced from the phenomena is to be called an hypothesis; and hypotheses, whether metaphysical or physical, whether of occult qualities or mechanical, have no place in experimental philosophy."

Newton invented modern physics, and this has been the standard caveat of all physical theory ever since. Incidentally, "hypothesis" in Newton's time differed from its modern definition. In contempory language, the principle is best embodied as rule 17 of the Crackpot Index:

"10 points for arguing that while a current well-established theory predicts phenomena correctly, it doesn't explain 'why' they occur, or fails to provide a 'mechanism'. "

Have a nice day.

Answer 9

People have real issues and genuine modification they want make, your issue is real and this is method you require a real solution. You have to seem like you in fact have a way to begin making the modifications in your life. This is where this guide Manifestation Miracle that you can discover here https://tr.im/PVKSV excels because, if your life isn't the life that you desire, isn't ideal YOU CAN do something making it your method.
In this guide you aren't taught anything magical about Manifestation. Rather you're taught the methods you have to believe in order to alter the environment around you. When you alter your environment, you have the ability to change your conditions. Changing your conditions suggests altering your circumstances. When you alter your condition you alter your ideas and this is turn will result in different behavior on your part. This different habits is going to help you to cause all sorts of modification that will draw certain things to you like never ever before.

Answer 10

Gravity is simply a force, the weakest force known. The others are electromagnetism, the strong nuclear force, and the weak nuclear force. Other than that, it's hard to describe...it's a force. However, there is much we still don't know about it.