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definitions chap. 8
Quiz
| Term | Definition |
|---|---|
| energy: | The ability to do work. |
| potential energy: | The energy of a system due to its position or condition. |
| kinetic energy: | The energy of motion that depends only on the system's mass and speed. |
| mechanical energy: | The energy resulting from the motion of matter or its position relative to an external force acting on it, kinetic and potential energy. |
| thermal energy: | The average sum of the kinetic energies of all the particles in an object. Directly proportional to the temperature of the object. |
| acoustic energy: | The transmission of energy through matter by the periodic longitudinal motion of particles. |
| electrical energy: | The ability to do work through the action of the electromagnetic force or by electrical charges. |
| magnetic energy: | The ability of a magnetic field to do work on magnetic objects and moving electrical charges. |
| electromagnetic/radiant energy: | The combined action of electrical and magnetic energies in the form of wave like, radiant energy. |
| chemical energy: | The potential energy stored in the chemical bonds between atoms that is released or absorbed during chemical reactions. |
| nuclear energy: | The potential energy stored in an atom's nucleus, that is released or absorbed when an atom experiences nuclear fission or fusion. |
| mass energy: | The energy equivalent to matter itself according to the equation in Einstein;s special theory of relativity, E=mc2. |
| efficiency: | For a machine or process, the ratio energy or work produced to the energy or work that was put into the machine or process. |
| first law of thermodynamics: | Energy, and matter cannot be created or destroyed, only charged in form. |
| momentum: | A property of a moving system that is proportional to its speed and mass. |
| conversation of momentum: | A fundamental natural conservation law. |
Created by:
yoceli
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