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Force and Motion-1

Force and Motion (Part 1 of 2)

TermDefinition
WORK When force moves an object OVER a distance
FORCE Push/pull exerted on an object Sets object in motion or slows down i.e., “Hitting” a baseball
SPEED How fast an object is moving i.e., 65 mph
ACCELERATION CHANGES in object’s speed and/or direction Keyword: “Increase”
GRAVITY Force of attraction PULL things toward each other Larger mass; stronger force
DISTANCE TOTAL amount of ground Covered by object in motion
MOMENTUM Mass (weight) of any object Multiplied by its speed or velocity i.e., MASS x VELOCITY or MASS x SPEED
DISPLACEMENT Shortest distance between objects START and END position
VELOCITY Refers to BOTH speed and direction object moves i.e., 55 mph WEST
FRICTION Forces that resist or oppose motion of object in contact Types: •Air •Rolling •Sliding •Static
MOTION An y change in object’s position Over TIME Motion is measureable (Ending Point - Starting Point)
UNIFORM MOTION Object continues to move At SAME speed over long period i.e., Car on cruise control
Created by: pj johnson
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