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Or did you mean: 145 grams to yards | Future space stations will create an artificial gravity by rotating. Consider a cylindrical space station 250 m diameter rotating about its central axis. Astronauts walk on the inside surface of the space station. What rotation period will provide "normal | Imagine a water-filled tank. The height of the liquid column is 7 meters, and the area is 1.5 square meters (m2). What's the force of gravity acting on the column of water?