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LSH Pscience Unit 3
Energy
Term | Definition |
---|---|
Energy | The ability to cause change or to do work |
Kinetic Energy | The energy an object has because of its motion |
Joule | The SI unit for measuring energy |
Potential Energy | Stored energy |
Mechanical Energy | The total energy in a system; the kinetic and potential energies |
The Law of Conservation of Energy | Energy is not created or destroyed, but is transformed |
Nuclear Fission | The splitting of a nucleus |
Nuclear Fusion | Combining 2 or more nuclei into one nucleus |
Momentum | The mass x velocity of an object |
The Law of Conservation of Momentum | Momentum is conserved in a collision (transferred partially or fully but not lost) |
Work | A force moving an object |
Power | The rate of doing work |
Work equation | Work = Force x distance |
Power equation | Power = Work/time |
Watt | The SI unit for measuring power |