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Chap 4 force and mot

Force and motion

Position The location of an object
Motion The change of a position of an object
Speed The change of position during a unit of time
Velocity The speed and direction of an object
Acceleration A change of speed or direction of an objects motion
Force A push or pull of any kind
Inertia The property of matter that keeps a moving object moving in a straight line
Gravity The force of attraction between Earth and other objects
Gravitation A force that acts between all objects in the universe and causes them to attract one another
Weight A measure of gravitational force on an object
Friction A force that resists motion, relative to each other, of objects that are touching
Created by: SaraAB