Energy
Energy is a fundamental quantity that every physical system possesses. Energy of physical system in a certain given state is defined as the amount of work W needed to change the state of the system from some initial state (called reference state or reference level) to the given state.
Further reading
- Feynman, Richard. Six Easy Pieces: Essentials of Physics Explained by Its Most Brilliant Teacher. Helix Book. See the chapter "conservation of energy" for Feynman's explanation of what energy is and how to think about it.
- Einstein, Albert (1952). Relativity: The Special and the General Theory (Fifteenth Edition). ISBN 0-517-88441-0
~ Table of Content ~
| ► | Introduction |
| ► | Units |
| ► | Transfer of energy |
| ► | Types of energy |
| ► | History |
| ► | Energy use |
| ► | See also |
| ► | Further reading |
| ► | External links |
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