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Work, Power & Energy
Term | Definition |
---|---|
Power | The rate at which work is performed |
Force | A push or pull-Newtons (N) |
Distance | Meters (m) |
Time | Seconds (s) |
Work | Transfer of energy through motion, depends on distance and amount of force |
Energy | The ability to cause change |
Conservation of Energy | Energy cannot be created or destroyed, it can only be transformed |
Mechanical Energy | In a closed system, the sum of the PE and KE, energy is conserved |
Potential Energy | Energy that is stored in an object relative to its position |
Kinetic Energy | Energy in the form of motion |
Energy | light, sun, heat, work, gasoline, sound, electricity |
Potential Energy (PE) | m x g x h |
Kinetic Energy (KE) | 1/2 mv^2 |