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184_notes:three_principles [2017/08/21 02:44] – [The Three Fundamental Principles of Mechanics] pwirving184_notes:three_principles [2020/08/24 19:31] (current) – dmcpadden
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 ===== The Three Fundamental Principles of Mechanics ===== ===== The Three Fundamental Principles of Mechanics =====
 A major focus of introductory mechanics is understanding three fundamental principles of how objects interact (though they may have been called by different names): [[183_notes:momentum_principle|the momentum principle]], [[183_notes:define_energy#the_first_law_of_thermodynamics_the_energy_principle|the energy principle]], and [[183_notes:l_principle|the angular momentum principle]]. These principles are central to the study of physics broadly, not simply mechanics; they are [[183_notes:fundamental_principles|deep truths about our universe]], which seem to hold in every observation we make and experiment we conduct.  A major focus of introductory mechanics is understanding three fundamental principles of how objects interact (though they may have been called by different names): [[183_notes:momentum_principle|the momentum principle]], [[183_notes:define_energy#the_first_law_of_thermodynamics_the_energy_principle|the energy principle]], and [[183_notes:l_principle|the angular momentum principle]]. These principles are central to the study of physics broadly, not simply mechanics; they are [[183_notes:fundamental_principles|deep truths about our universe]], which seem to hold in every observation we make and experiment we conduct. 
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 ==== Lecture Video ==== ==== Lecture Video ====
  
-{{youtube>FxGlXcpFbKE?large}}+{{youtube>FuTw1sc6bL4?large}}
  
 ==== The Momentum Principle ==== ==== The Momentum Principle ====
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