How does Science define Gravity?
March 16th, 2010Scientists still do not fully understand gravity, but the latest theory that I know of indicates that it may come from another dimension, which would explain why it's so weak (relative to other natural forces such as the nuclear force, etc.).
I hope that helps.
the force that pulls an object towards the surface of a body (such as the earth).
The problem with what Newton said is that gravity acts INSTANTANEOUSLY on objects. Einstein came along later and said that nothing can move faster than light. To answer this new problem Einstein came up with his General Theory of Relativity. He says that gravity does not act instantaneously at all and that it is more of a bending of space-time by massive objects (like stars and planets). This bending of space-time can be pictured (somewhat incorrectly but a great first try) as a bowling ball on a trampoline. The mass of the bowling ball distorts the trampoline (the fabric of the trampoline represents space-time).
I don't really know how much detail you need for this so I will stop here, feel free to email me for further explanations if you need. Also, I would look up information on General Relativity if you need more, Im sure there are websites that will explain it better and with graphics.
Hope this helps.
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