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Science: Physics

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
frame of reference   a visible boundary in which motion occurs  
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reference point   a stationary object used to determine if another object is moving  
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point of origin   the place from which motion begins  
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distance   the space traveled between two points  
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displacement   the shortest distance between two points represented with a straight line (includes direction(vector))  
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force   a push or pull  
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What unit is used to measure force?   Newtons (N)  
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What type of forces result in a change in the speed and/or direction of motion?   Unbalanced forces  
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What type of forces result in zero net force?   Balanced Forces  
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Is gravity a push or pull?   pull  
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What is the unbalanced force that brings nearly everything on Earth to a stop?   friction  
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Newton's 1st Law   An object in motion will stay in motion and an object at rest shall stay at rest, unless acted upon by an outside force.  
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Newton's 2nd Law   As force increases, acceleration increases. As mass increases, acceleration decreases. F=ma  
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Newton's 3rd Law   Every action has an equal and opposite reaction  
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inertia   the tendency of an object to remain unchanged (property of matter)  
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In Newton's 2nd law, mass and acceleration have a(n)________ relationship   indirect  
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In Newton's 2nd law, force and acceleration have a(n)________ relationship   direct  
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Created by: AiMsAr
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