force - A push or a pull, push - I _________ my chair in after I eat., pull - I _________ the plug out of the wall., Newton - Sir Isaac _________ discovered forces and motion., gravity - The force that holds things to the Earth's surface., pull - When I open the door, I _______ the handle., push - When I close the door, I _______ it shut., push - When I shoot a basketball, I _______ it.,

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