Term
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Definition
process of energy transferred in or out of the system, equals the amount of energy transferred, determined by product of force in direction of motion |
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Term
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Definition
rate at which work is done or can be done, scalar |
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Definition
measures ability to do work |
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Term
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Definition
energy of a moving object or ability to do work |
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Term
Gravitational Potential Energy |
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Definition
energy that an object has in a gravitational field |
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Term
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Definition
energy in a stretched or compressed spring |
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Term
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Definition
the net work on a system changes its kinetic energy |
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Term
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Definition
force for which works depends on starting and ending points of motion |
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Term
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Definition
force for which work depends on the path |
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Term
Closed (conservative) system |
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Definition
system of objects that experience conservation force only |
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Term
Open(nonconservate) system |
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Definition
system subjected to nonconservative forces |
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Term
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Definition
sum of kinetic and potential energy |
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Term
Conservation of mechanical energy |
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Definition
in a closed system total amount of mechanical energy before and after physical process remains the same |
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Term
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Definition
vector physical quantity equal to product of mass times velocity, |
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Term
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Definition
vector, equal a product of a force with a time interval |
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Term
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Definition
group of objects which the net external force (external action) is equal to zero |
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Term
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Definition
collision in the system of 2 or more bodies during which there is conservation of momentum and kinetic energy |
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Term
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Definition
collision in the system of 2 or more bodies during which there is conservation of momentum but no conservation of kinetic energy |
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Term
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Definition
force produced by an ejected gas on a jet engine’s (a rocket’s) body |
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Term
Conservation of linear momentum |
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Definition
in isolated system total amount of linear momentum remains the same |
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