Energy - SCI Notes 3/15 Laposata Energy: The Basics What is...

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SCI Notes 3/15 Laposata Energy: The Basics What is energy? o “The ability to do work” o Work Applying a force to an object, and causing it to move some distance o Potential Energy Energy stored within an object that can be converted to other forms of energy. Types Gravitational o Potential energy dye to gravity Examples: Water behind a dam A rock at the top of a steep hill Chemical (also see PDF) o Potential energy in chemical bonds Examples: Coal, Gasoline, Sugar, Fat Nuclear o Potential energy in forces that hold atomic nuclei together o Kinetic Energy Energy of motion
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Potential energy is converted to kinetic energy The Laws of Thermodynamics o 1 st law of Thermodynamics (also called the law of quantity) Energy may be converted to different forms, but it is neither created nor destroyed during transformations Energy from chemical bonds is converted to kinetic energy then heat (friction from tires) Only form, not quantity, of energy has changed
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This note was uploaded on 06/16/2011 for the course SCI 1101 taught by Professor Jbrock during the Spring '07 term at Kennesaw.

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Energy - SCI Notes 3/15 Laposata Energy: The Basics What is...

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