All Questions
6
questions
0
votes
1
answer
202
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Can anyone explain how does an object move upward from the surface of the earth defying the spacetime curvature?
I am trying to understand the while concept of spacetime curvature. Space is a fabric which is bent by heavy masses. But I don't understand that why objects follow the geodesics and get attracted to ...
5
votes
5
answers
1k
views
Gravity is not a force - how does "accelerating up" work for the entire earth? [duplicate]
So this question has been bothering me for several days now. I've seen many YouTube videos on how "Gravity is not a Force", but no one seems to offer a simple explanation on how does this &...
8
votes
7
answers
10k
views
Why doesn't Einstein's general theory of relativity seem to work on Earth?
I am new to physics and I have learned a little bit about gravity from Einstein's perspective. The gist is that heavy objects create curvature of spacetime, and free-falling objects move on the ...
0
votes
0
answers
73
views
Is Earth flat according to Einstein? [duplicate]
I didnt understand how to apply general relativity to Earth. If there is no such a thing as gravity but spacetime bending. Can someone just show, send something to read how gravity works in Earth ...
2
votes
2
answers
353
views
Does Earth create gravitational waves on space/time as it turns around itself?
As you know earth turns around itself. At this point can we say earth can create waves on space/time?
0
votes
2
answers
692
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Does gravity have two directions?
Imagine a particle that interacts strongly with gravity, but not with any of the other forces, and does not interact with normal matter (this may be analogous to the description of dark matter, I'm ...