In the attached picture, it appears that the pair of forks defy gravity. This is not possible, so how do the forks manage to balance. The secret lies in their center of mass. As you know, the center of mass of an object is the place where it balances on a pivot in all directions. In this case, the bend of the forks makes the center of mass directly on the edge of the cup. This allows the system to balance easily and give the illusion of defying gravity. This is a useful parlor trick for distracting your relatives when they ask you about your plans for the future.
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