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What is an energy regime?

What fuels the energy for the force of gravity?

  • OKay-- acording to the LAW OF CONSERVATION OF ENERGY, which is one of the basis for our foundation on the laws of physics-- "Energy cannot be created from nothing" --that is, there is no free energy. From what I understand, matter can be considered a form of energy-- it can be converted to energy ; ie: A football player eats a carb-loaded meal then night b4 a big game-- he has more energy to expend in the big game. So, if energy is produced by conversion from matter then what fuels the seemingly ENDLESS AMOUNT of energy that is expended by gravity? Where does the energy come from to keep a moon swinging around us, or to pull an apple to the ground? Can anyone enlighten me on this? Maybe my logic is skewed. What fuels gravity? Thanks!

  • Answer:

    gravity is the curvature of space-time. The more mass an object has, the more gravity it has, the bigger the curvature. Imagine a rubber sheet with a bowling ball on it. The sheet is space-time and curves around the ball. No energy necessary.

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Potential energy.

TheShankmaster

Hi. Have you noticed that it is "FORCE of gravity" , and not "energy" of gravity. Energy (or work) = force * distance travelled. So, when you lift some object against gravity it's "you" who is adding energy (potential energy) to the object. when the object falls, the same potential energy is geting converted to kinetic energy. As gravity is a force, nothing is needed to fuel it. Similar examples will be magnetic force. It's also a force and nothing is needed to fuel it. When you act against this force you are spending energy.

Kaushik S

In continuation to what Kaushik said... The energy of gravity from what I understand you want to know is... what creates gravity... how does gravity come into existance... for this the simple answer is the rotation of an object on its axis and its mass. This is applicable to all celestial objects. The more the mass and the faster the rotation, the higher the gravitational force.

Rocks

Gravity is caused by the atraction of two bodies of matter to one another. There is no energy expended that we can measure, there is also no heat caused by it. My idea says that the energy of atomic attraction in the atoms caused by the pos neg forces from electrons and protons expands exponentially and is focused through the neutrons rendering it neutral.

whiteknight3273

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