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Hunter Hatfield Bullock A-4 12-13-12 Vocabulary of Instruction 1. Speed - rate of movement or happening mechanical energy- the sum of kenetic energy and all forms of potential energy elastic energy- energy in a strechted or compresssed elastic object Heat- the energy transfer between objects because of a difference in their temperatures thermal energy- energy stransfomed by heat chemical energy- energy of chemical reactions: the energy released or absorbed in a chemical reaction during the decomposition or formation of compounds work-energy theorem- When the energy of the body increases, work is positive. Hunter Hatfield Bullock A-4 12-13-12 Transformation- The act or an instance of transforming 1. kinetic energy- energy of body caused by motion: the energy that a body or system has because of its motion. Work- force times distance Hooke's law- the law stating that the stress on a solid substance is directly proportional to the strain produced, provided the stress is less than the elastic limit of the substance. conservative forceelectrical energya vector quantity from which is determined the magnitude and direction of the force on a charged particle due to the presence of other charged particles, accelerated charged particles Hunter Hatfield Bullock A-4 12-13-12 conservative force- A conservative force is a force with the property that the work done in moving a particle between two points is independent of the path taken Conservation of Energy- It states that the total amount of energy in an isolated system remains constant over time