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Physics - Motion

QuestionAnswer
The force that pulls all objects toward each other gravity
when the only force acting on an object is gravity (only in a vacuum) free fall
when you have no weight because there is no net force from gravity (happens in free fall and deep space) weightlessness
the motion of an object that has been thrown or launched projectile motion
the rate at which velocity changes acceleration
the distance an object travels in one unit of time speed
speed in a given direction velocity
a place or object used for comparison to determine if an object is in motion reference point
a force that one surface exerts on another when the two rub against each other friction
a push or pull exerted on an object force
equal forces acting on an object in opposite directions balanced force
a nonzero net force that changes an objects motion unbalanced force
Created by: dbausenwein
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