ocr: Does everything that goes up come down? On your own you can't overcome gravity- - ifyou throw a ball up in the air it will come back down again. The faster you make an object go when you throw it upward, the higher it will travel before it starts coming down again. If the object travels especially high, its motion will also slow down more gradually. This is because the pull of gravity becomes weaker the further an object is from the Earth. At a certain height, an object can completely escape the Earth's gravitational pull. The force with which a rocket moves away from the Earth must be greater ...
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