Eli5 How do we know that gravity and acceleration is two different thing?

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How do we know that gravity is not an accelerated expanding of space?

It seems to do almost same thing to interacting objects.

“it’s complicated” comment is not welcome.

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Anonymous 0 Comments

I think what you’re confusing are forces. Things accelerate because of forces applied to them. Without context, one force would appear and could be confused for another force, if all you see is the result (acceleration)

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