1) an object's position changes a) distance b) speed c) magnitude d) motion 2) is the amount of space between two objects a) gravity b) distance c) friction d) magnitude 3) the change in distance over time a) motion b) force c) speed d) distance 4) a push or a pull a) motion b) distance c) force d) magnitude 5) a force that works against motion. a) motion b) speed c) distance d) friction 6) a force that pulls all objects together. a) gravity b) motion c) magnitude d) distance 7) how strong a force is a) speed b) friction c) magnitude d) distance

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