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Motion and Forces

Unit 1, Lessons 1-4

TermDefinition
position The location of an object
reference point The location where you compare other locations
motion A change in position over time
speed How far something moves in a given amount of time
vector A quantity that has both size and direction
velocity Speed in a specific direction
acceleration The rate at which velocity changes
centripetal acceleration Acceleration in a circular motion
force Simply a push or pull
net force A combination of all forces acting on an object
inertia The tendency of all objects to resist a change in motion
gravity The force of attraction between ocjects due to their mass
free fall Gravity is pulling it down and nothing else
orbit When and object travels around another object in space
fluid
pressure
pascal
atmospheric pressure
buoyant force
Archimedes' principle
Created by: 18lmoyers0323
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