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Is this a near-perpetual motion machine?

Asked by Ltryptophan (12091points) March 27th, 2023 from iPhone

A closed system ā€œDā€ shaped tubular aparatus. The curved part of the D is cylindrical, and carries a steel ball to the bottom corner. From there the ball is pulled upward through a straight channel of magnets to the top of the D where it follows the path back around.

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