this post was submitted on 18 Aug 2023
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A hula hoop would be two portals facing opposite directions. Not the same scenario at all. First portal accelerates the object, second traveling in the opposite direction decelerates it equally resulting in a net zero. If the second portal doesn't move with the opposite direction or speed, then it won't cancel out. The moving portal would have force exerted on it in order to equal out the energy of accelerating the victims