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A very dense cube is dropped into a less dense fluid. The cube accelerates downward as it moves through the fluid. ${ F }_{ 1 }$ and ${ F }_{ 2 }$ are, respectively, the forces of the fluid acting on the top face and on the bottom face of the cube.

Which of the following diagrams correctly represents the directions and relative magnitudes of only the buoyant forces ${ F }_{ 1 }$ and ${ F }_{ 2 }$?

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