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College Physics Ch 1

Vocabulary from Ch 1 of College Physics by Knight

motion the change of an object's position or orientation with time
trajectory the path along which an object moves (may be straight or curved)
motion diagram composite image, showing an object's positions at several equally spaced instants of time
operational definition definition in which a concept is defined in terms of a particular procedure or operation performed by the investigator
particle a mass at a single point in space (often used to represent an object)
model a simplification of reality (i.e. treating an object as a particle)
particle model of motion a simplification in which a moving object is treated as if all of its mass were concentrated at a single point
Created by: AUGirl