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Physical Concepts of Energy

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VOCAB
DEFINITION
INERTIA   the tendency of a resting body to remain at rest  
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FORCE   push or pull on an object  
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WORK   whenever a force is acts upon a body, work is done  
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ENERGY   may be defined as the ability to do work  
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KINETIC ENERGY   the energy of a moving body  
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POTENTIAL ENERGY   stored energy, energy at rest  
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LAW of CONSERVATION of ENERGY   changes forms, and cannot be created nor destroyed  
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EINSTEIN'S THEORY of RELATIVITY   energy = mass x speed of light in air or vacuum squared (E = mc*)  
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ELECTRIC MOTOR   converts electrical energy to mechanical energy  
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BATTERY   converts chemical energy to electrical energy  
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STEAM ENGINE   converts heats energy to mechanical energy  
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GASOLINE ENGINE   converts chemical to mechanical energy  
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