| energy |
The ability to do work. People get energy from food. Your toaster and your washing machine get their energy from electricity.
출처: www.fplsafetyworld.com/glossary/
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|---|---|
| energy |
the ability to do work
출처: www.sciencebyjones.com/physics_definitions.htm
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| energy |
Non-material property capable of causing changes in matter. [J]
출처: www.mrfizzix.com/archery/terms.html
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| energy |
A measure of being able to do work. There are many forms of energy, such as heat, mechanical, electrical, radiant, chemical, and nuclear energies. Energy is measured in such units as the joule (J), erg, kilowatt-hour (kW-hr), kilocalorie (kcal), foot-pound (ft-lb.), electron-volt (ev), and British thermal unit (BTU).
출처: observe.arc.nasa.gov/nasa/space/stellardeath/stell...
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| energy |
A measure of work done by an electrical system over a given period of time, often expressed in kilowatt-hours (kWh).
출처: www.bulbman.com/index.asp
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