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Physics Energy Vocab
| Question | Answer |
|---|---|
| Work | The product of the force on an object and the distance through which the object is moved. (Force is consistant, motion is in a straight line in the same direction as the force). Messured in Joules (J). |
| Power | Rate at which work is done or energy is transformed, equal to the work done or energy transformed divided by the time. Measured in Watts. |
| Energy | The property of an object or a system that enables it to do work. Measured in Joules (J). |
| Joules | The SI unit of work and all other forms of energy. One J of work is done when 1Nx1m in the direction of the force. |
| Watt | The SI unit of Power. One Watt is expended when 1J of work is done in one second. |
| Mechanical Energy | Energy possessed by an object due to position or movement.//ALL ENERGY// |
| Work-Energy Therom | States that when work is done on an object, the result is change in kinetic energy. (W=deltaKE) |
| Gravitational Potential Energy | of an object is due to its position relitive to the Earth's surface/floor. It is due to Earth's gravity. Path doesn't matter, only height. It comes about when you do work against gravity. |
| Potential Energy | is the energy of an object due to its position. It is the "stored up" energy. |
| Law of Conversion of Energy. | Energy can neither be created or destroyed. Energy always changes from one form to another. Total engergy of an object remains the same. |
| Kinetic Energy | of an object is due to its motion, moving objects have kinetic energy. |
| Renewable Sources | Sources of energy that can be renewed like: biomass, water, solar, and geothermal. |
| Nonrenewable Sources | Sources of energy that cannot be renewed like: coal, nuclear fuel, and natural gas. |
Created by:
darkangelcat
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