If gravity is not a force, what is holding us down?

Join the discussion
Ask a follow-up here, or get your own question answered by working scientists, mathematicians and engineers — people, not an autocomplete.
Real named experts · corrections over time · the nuance an AI answer skips
Sign up Log in
61 replies · 8K views
paradisePhysicist said:
On a more serious note though, I think the movie will be easier to visualize since its already visual. On the other hand, the book may be so well written that it is easy to visualize also.
Understanding is the goal. A visual understanding is not.
 
on Phys.org
As someone not familiar with the math's I find Vsauce's youtube video below very informational for those trying to get a grasp on why no forces are involved. I would recommend you watch it all though for a quick snippet check out timeframe 16:15 - 17:25, this demonstrates how straight paths come together on a curved surface. Possibly continue watch through to 20:40.

 

Similar threads

High School If gravity was a force wouldn't going back in time cause us to float?
  • lolsurround
  • · Replies 13 ·
  • Special and General Relativity
Replies
13
Views
3K
Graduate General Relativity Revisited (What if gravity actully is a force?)
  • shanesworld
  • · Replies 53 ·
  • Special and General Relativity
2
Replies
53
Views
10K
Undergrad On gravity and the conservation of energy
  • Catreece
  • · Replies 30 ·
  • Astronomy, Astrophysics, Cosmology
2
Replies
30
Views
6K
Undergrad What is the relationship between gravity and conservation of momentum?
  • Killparis
  • · Replies 6 ·
  • Mechanics
Replies
6
Views
11K
Undergrad Gravity what holds us on the earth?
  • b.j.c
  • · Replies 4 ·
  • Mechanics
Replies
4
Views
8K