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Science Unit 15-1

TermDefinition
a push or pull, which may cause a change in an object's motion force
a force that acts between two touching objects and that opposes motion friction
forces that cancel each other out because they are equal in size and opposite in direction balanced forces
forces that cause a change in an object's motion because they don't cancel each other out unbalanced forces
the force of attraction between objects, such as the attraction between Earth and objects on it gravity
measure of the force that gravity exerts on an object weight
the speed of something in a given direction velocity
exert force in order to move someone or something away from oneself or the origin of the force push
exert force, typically by taking hold of someone or something, in order to try to move them toward oneself or the origin of the force pull
a vehicle's capacity to gain speed within a short time acceleration
the amount of matter in something mass
a tool that is used to measure the size of a force spring scale
Created by: mrshassler