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I have two questions... i'm new to this so sorry if these sound silly...

If a disk is rotating then there's only a relativistic change in mass for an observer when the object is accelerating and deccelerating right... but not when its spinning at a constant speed? Also, when the objects 'relativistic mass' changes, does that change the curvature of spacetime around the object? Because mass curves spacetime. Or is there just a kind of relativistic change in spacetime geometry due to this relativistic change in mass... Or no change at all?

If a disk is rotating then there's only a relativistic change in mass for an observer when the object is accelerating and deccelerating right... but not when its spinning at a constant speed? Also, when the objects 'relativistic mass' changes, does that change the curvature of spacetime around the object? Because mass curves spacetime. Or is there just a kind of relativistic change in spacetime geometry due to this relativistic change in mass... Or no change at all?

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