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describing motion

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Motion   is the process of changing position  
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Reference point   the starting point you use to describe the motion or the position of an object  
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Distance   is the total length of your path  
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Displacement   is the distance an object moves divided by the time it took to move that distance  
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Velocity   is the speed and direction of an object's motion  
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Acceleration   is the measure of the change in velocity during a period of time  
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Force   a push or pull of an object  
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Contact force   is a push or pull applied by one object to another object that is touching it  
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Noncontact force   a force that pushes or pulls an object with out touching it  
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Friction   is a contact force that resists the sliding motion between two objects that are touching  
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Gravity   is a noncontact attractive force that exists between all objects that have mass  
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Balanced forces   when the net force of an object is 0 N  
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Unbalanced forces   when the net force acting on an object is not 0  
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Created by: gatesmak6458
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