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• Gravity

# What is gravity?

###### Wiki User

-- "Gravity force" is what we call the pair of forces that exist between every two specks of matter in the universe and tend to always draw them together.
-- The strength of the two forces is equal between any two things, and it depends on the product of their masses and the distance between them.
-- There is no way to hide from the force, shield against it, or turn it off.
-- The existence of the force is a property of space and mass, and its exact cause is unknown.

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###### Wiki User

Think of a container containing a gas. If you apply pressure to that container the gas atoms will repel each other. The more pressure the more they repel. If you apply the inverse (meaning you expand the container), than the opposite will happen; the gas atoms will attract each other. Think of space as not being empty but filled with matter much less dense than atomic masses(for naming purposes we"ll call this 'dark matter'). Dark matter is not quantitative. It is thicker and thinner but it is not actually made of individual peaces. Space is expanding causing an inverse pressure we know as gravity. The main rule that allows this to happen is that actual empty space does not want to be empty. There are several factors which can be explained by using the theory that space is filled with matter and is in fact not empty. Example number one is heat. Think of a ball sitting inside a pool of water. when the ball is spinning it creates a whirlpool in the water surrounding the ball. The faster the ball is spinning, the bigger the whirlpool will be. Heat is how fast an object is spinning. An objects whirlpool cannot enter another objects whirlpool. So the bigger the whirlpool the more space an object has to take up. I've thought about it and thought about it and have concluded that the only way anything can have energy is by movement. There is no other form of energy. There is no unseen phenomena of energy floating around. Movement is the only one. The second example is the coming into existence of atomic matter(i.e. protons, electrons, neutrons). something cannot be created out of nothing. So the only explanation for there creation is that there was something there for them to be created out of (dark matter). Condense dark matter in the right fashion and you have atomic matter. Einsteins theories say that space/time stretches around all objects. I believe that it is dark matter that is the one stretching around all objects. Dark matter is like water, it wants to sit evenly. This causes a pressure on all objects. This property along with space not wanting to be empty and the fact that the universe is expanding causes all objects to attract each other. The farther the universe stretches; the stronger gravity will become. Atomic matter did not exist during the beginning of our universe because there wasn't enough stretch(gravity) to hold them together. Once the universe reached a curtain diameter gravity was strong enough to hold atomic matter together. It all fits. Light has a speed limit because it is traveling through something. When light travels through water it can only travel at 1/3 the speed of light. The thicker the matter; the slower it has to travel because it has more resistance. If light was traveling through actual empty space, it could travel at any speed. Except for the fact it would have nothing to push off of to increase its speed (Imagine it as a helicopter trying to fly in outer space). The thinner dark matter gets; the more energy light needs to accelerate. The thicker dark matter is; the more resistance light has. This causes the constant to remain the same. And for the last example we will deal with light itself; photons. It is my understanding that the only way that an object can be moved by another object is if both objects have mass. If one of them did not have mass, it would not move the other object. It would simply bounce off(Photons knock electrons out of their shells to travel through the electrical circuit in photovoltaics). So this would mean that photons do have mass contrary to the known belief today that they do not. The assumption that photons do not have mass came about because you can make an infinite amount of photons without loosing any mass from the atoms they came from. And you cant get something out of nothing. This assumption was made because they assumed that space was empty. The entire base of my theory is that space is indeed not empty. This changes everything. We can now make something (photons) out of dark matter. When electrons go from their exited state to a less exited state, the electrons are in fact crushing dark matter into photons. *From PsychicsForums.com*

Gravity is a function of mass that makes it tend to attract other mass.

A popular way of describing gravity is to imagine the Sun and planets as marbles of varying sizes placed on a flexible rubber sheet. Each object will create a depression ("gravity well") in the sheet, and the size of the object determines how deep the depression is. The Sun, being so much more massive than the rest of the planets, creates the deepest depression, and a marble rolled out onto our imaginary sheet will end up circling around it, just as the planets orbit the Sun.

No one is yet certain as to why gravity is associated with mass. Beginning with Albert Einstein, researchers are still trying to determine exactly how it fits in with the other known forces in the universe (electromagnetic radiation, the weak nuclear force and the strong nuclear force).

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Gravity is a property of mass and space that causes an equal pair of forces that attract every pair of masses toward each other.
Gravity force is the force that is exerted by the gravitational field of a massive object on a body that is within the vicinity of its surface.
the force of attraction by which terrestrial bodies tend to falltoward the center of the earth.

http://dictionary.reference.com/browse/gravity

It is a force that keeps us and every thing else on earth on the floor so that we are not floating around space.

Gravity is a property of matter; no matter=no gravity.

In an analogous way to magnetism is a property of moving electrons; no moving electrons=no magnetism.
the force that pulls everything to the earth

or:

Gravity is:

The force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account

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###### safinaz abd alkareem

if you drop a hammer and a feather at the same time the hammer will fall first because a force called air resistance will push the feather away from the ground

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Dahlia Hagenes

2021-06-03 09:06:00

Leann Raynor

2021-06-03 12:05:54

I don't know if this is correct

Era McCullough

2021-06-04 13:05:47

awsom thx

###### safinaz abd alkareem

gravity was also invented when an apple fell from a tree and he called it gravity

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Hilbert Boehm

2021-06-03 02:05:53

awsom ty!

Brandyn McClure

2021-06-03 23:05:49

i like this one

###### safinaz abd alkareem

gravity was discoverd by Isaac newton

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Blaze Rogahn

2021-06-01 19:05:17

Bailee Jacobi

2021-06-02 03:05:38

Christopher Schimmel

2021-06-02 13:05:36

###### Anonymous

The force that attracts a body toward the center of the earth ,or toward any other physical body having mass.

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