Guidelines

What does the theory of gravity explain?

What does the theory of gravity explain?

GETTING A GRIP ON GRAVITY Einstein’s general theory of relativity explains gravity as a distortion of space (or more precisely, spacetime) caused by the presence of matter or energy. A massive object generates a gravitational field by warping the geometry of the surrounding spacetime.

What does gravity do to liquid?

When it makes contact with something cooler, it changes the opposite way: gas to liquid (condensation) or liquid to solid (freezing). Water is most dense as a liquid, then as a solid, and least dense as a gas. Gravity pulls denser air and water downward, forcing less dense air and water to move upward.

Does fluid space exist?

Physicists now suggest that spacetime may itself be a fluid, a very slippery type known as a superfluid. Quantum mechanics can explain the behavior of all the known particles, while general relativity describes the nature of spacetime and gravity.

What is the main concept of gravity?

gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. It is by far the weakest known force in nature and thus plays no role in determining the internal properties of everyday matter.

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Does gravity act on liquids?

Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object. The gravity effect on the vapor is the same as the gravity effect on liquid. The gravity effect will not change with the phase change of the liquid.

Why is gravity less in water?

Water does not minimize gravity, our body is less density than water so we float. A solid metal weight is more dense than we are so it will sink while a hollow metal boat with will float, so it’s is not gravity that is the determines what will sink or float it is density.

Can water be a super fluid?

Because water is liquid at much too high a temperature. Helium is only superfluid near absolute zero. To have a superfluid, you need the quantum wavelength of the atoms given the environmental decoherence to be longer than the separation between the atoms, so they can coherently come together.

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Is gravity a superfluid?

Gravity forms the foundation of general relativity, the theory that much of modern physics is built on. It warps spacetime and allows galaxies, stars, and planets to form. Spacetime, they say, can be understood as a liquid. A superfluid, really, composed of fundamental objects we may not have discovered yet.