force - a push or pull, motion - a change in position over time , gravity - a force that of an object toward the earth, friction - a force of one object rubbing against another, speed - the distance traveled in a certain amount of time , travel - to change location or move , time - how long it takes for something to happen, stationary - to stay in one place, graph - diagram that shows the relation ship between data points, constant  - occurring continuously over time, not changing ,

force & motion

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