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Definition
| A scalar quantity; 1/2 mv^2 ; |
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| Gravitational Potential Energy |
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Definition
| An extensive property of the body that can be modeled by PE = mg(delta)h |
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Definition
| Work is done by a system on its surroundings if the sole effect on everything external to the system could have been the raising of a weight. |
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Definition
W>0 : work done by the system
W<0 : work done on the system |
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Definition
| The rate of energy transfer by work |
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Definition
| an extensive property of a system; represented by U |
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Term
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Definition
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Term
| Sign convention for heat transfer |
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Definition
Q > 0: heat transfer to the system.
Q > 0: Heat transfer from the system.
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Term
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Definition
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Term
| First Law of Thermodynamics |
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Definition
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Definition
| shows that the energy transfer across the system boundary results in a change in one or more of the macroscopic energy forms. |
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Definition
A sequence of processes that begins and ends at the same state.
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Term
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Definition
A cycle in which delivers a net work transfer of energy to their surroundings during each cycle.
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Definition
| cools a refrigerated space or maintains the temperature within a dwelling or other temperature below that of the surroundings. |
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Term
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Definition
| used to maintain the temperature within a building or other dwelling above that of the surrounding temperature or to provide heating for certain industrial processed that occur at elevated temperatures. |
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