RS 301 - Physics of Energy Lecture Notes

RS 301 - Physics of Energy Lecture Notes - RS 301 Professor...

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RS 301 Professor Wolf Cal Poly Pomona Fall 2009 Lecture Notes on “Physics” of Energy Energy and Work * Work--A force applied for some distance o Work and Book-keeping--The notion ofEnergy + Gravitational Potential Energy + Kinetic energy + Other forms of Potential Energy (chemical, nuclear,elastic) + Thermal Energy + Conservation of Energy (“First Law of Thermodynamics”) + Entropy (2nd law of thermodynamics) How do we generate electricity? o Faraday’s Law: • --> A CHANGE in the amount of magnetic field passing through the area of a loop of o wire induces a current in the loop. Move the magnet or rotate the loop http://target.raf.mod.uk/v2/furniture/factfiles/FK_Phy_Fli_1.gif Where do we get the energy to rotate the loop? * From conservation of energy--We can’t get out of the generator any more energy than we put into moving the loop. * So if you are running a 1200 Watt microwave, you have to put energy into it a the same rate. (100 watts is the comfortable output for a fit person on a stationary bicycles or elliptical machine). Energy Conversion
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This note was uploaded on 05/30/2010 for the course RS RS 301 taught by Professor Professorwolf during the Fall '09 term at Cal Poly Pomona.

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RS 301 - Physics of Energy Lecture Notes - RS 301 Professor...

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