which statement does newton's law of universal gravitation imply? responses what goes up must come down. what goes up must come down. earth's gravity acts on people inside a space station orbiting the earth. earth's gravity acts on people inside a space station orbiting the earth. the force of gravity between two objects is inversely proportional to the product of the two masses. the force of gravity between two objects is inversely proportional to the product of the two masses. gravity increases with distance from a planet.