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Motion and Forces

Unit 1 Lesson 1-4

TermDefinition
Positiond Describes the location of an object.
Reference Point Is a location to which you compare other locations.
Motion Is a change in position over time.
Speed is a measure of how far something moves in a given amount of time
Vector Is a quantity that has both size and direction.
Velocity Is speed in a specific direction.
Acelleration Is the rate at which velocity changes.
Centripetal acceleration Acceleration in a circular motion
Force Simply a push or a pull
Net force The combination of all the forces acting on an object
Inertia Is the tendency of all objects to resist a change in motion.
Gravity Is a force of attraction between objects due to their mass.
Free fall When gravity is pulling it down and no others forces are acting on it.
Orbit When it travels around another object in space.
Created by: 18potterd0315
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