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## Main Question or Discussion Point

If gravity is a force, then the moment the object producing gravity is taken away, it should result in gravity taken away instantaneously.

However, why does Einstein say that Newton's classical mechanics are incorrect and that in fact he decided to propose spacetime and not follow what Newton has claimed hundreds of years ago?

However, why does Einstein say that Newton's classical mechanics are incorrect and that in fact he decided to propose spacetime and not follow what Newton has claimed hundreds of years ago?