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Physics key terms chapters 1, 2 & 4

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Question
Answer
show A true statement; A close agreement by competent observers of a series of observations of the same phenomena  
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show An educated guess  
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show Hypothesis that is tested over & over again and has not been contradicted; also known as a principle  
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principle   show
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show An orderly method for gaining,organizing, and applying new knowledge  
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theory   show
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show The rate at which velocity is changing. The change may be magnitude, direction or both.  
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average speed   show
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elapsed time   show
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show Motion under the influence of the gravitational force only  
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show Speed at any instant of time  
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show how fast something happens or how much something changes per unit of time; a change in a quantity divided by the time it takes for the change to occur  
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relative   show
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show How fast somtheing is moving; the path distance moved per time. The magnitude of the velocity vector  
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velocity   show
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show A state of balance; The state of a body on which no net force acts.  
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force   show
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show the force that acts to resist the relative motion (or attempted motion) of objects or materials that are in contact.  
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inertia   show
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kilogram   show
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law of interia   show
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mass   show
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show The combination of all the forces that act on an object  
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newton   show
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Heliocentric solar system   show
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show earth centered solar system  
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Created by: jdkelley11
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