Skip to main content

All Questions

Tagged with
0 votes
1 answer
202 views

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 ...
Scientific Co 's user avatar
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 &...
Sagar Raj's user avatar
  • 183
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 ...
Nipun Alahakoon's user avatar
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 ...
Oğuzhan's user avatar
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?
Ozn Ozi's user avatar
  • 181
0 votes
2 answers
692 views

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 ...
Amphibio's user avatar
  • 1,059