You need energy to produce a force that compensates gravity. So if you apply that force for a huge amount of time, will gravity ever be depleted?
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Something I haven’t seen pointed out here yet. The effect of gravity isn’t exactly a force. It used to be considered one of the 4 fundamental forces. Not anymore. Rather, it is the bending of Spacetime caused by mass. If you shot a bullet in space, it would just keep going straight. If you do the same on earth, the bullet would still think its going “straight” and in essence it is. It’s world line just to happens to be curved from an outside observers perspective.
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