南开大学：《力学》课程教学资源（PPT课件，英文讲稿）Chapter 0 Introduction

Chapter0Introduction

Chapter 0 Introduction

S 1.Overview1.Structure ofPhysicsOrigin of Physics: for fun?From everyday life;ExperimentsBase ofPhysics儿For Good lifePhilosophyPhenomenology1ReligionTheoryProvide Game Laws1Mathematics Language of Physics

§1.Overview 1.Structure of Physics Experiments Base of Physics Phenomenology Theory Provide Game Laws Mathematics Language of Physics Philosophy Origin of Physics: for fun? From everyday life; For Good life. Religion 

Inner & outer logicOuter logicInner logic(maths)Principles11NatureExperimentIntuitionguesseseducated

Inner logic (maths) Inner & outer logic Outer logic Nature Experiment Principles Intuition educated guesses

*Physics is FundamentalChemistryDescribed byPhysical termBiologyPhysics existIT, Economicseverywhere

Physics is Fundamental Described by Physical term Physics exist everywhere. Biology Chemistry IT, Economics :

2.Courses for Physics Major MechanicsElectromagneticFundamentalclassifiedbyfeelThermal PhysicsOpticsPhysicsModern Physics(Atomic Physics)Classical PhysicsElectrodynamics Optics light MaxwellAdvancedThermodynamics and Statistical PhysicsQuantum MechanicsCoursesBase of ModernSpecial RelativityPhysics

2.Courses for Physics Major Fundamental Physics Mechanics Thermal Physics classified by feel Optics Modern Physics(Atomic Physics) Electromagnetic Advanced Courses Classical Physics Electrodynamics Thermodynamics and Statistical Physics Optics light Maxwell Quantum Mechanics Special Relativity Base of Modern Physics

ResearchField:Solid state PhysicsCondensed Matter Physics(Many-body system)1一TheoryExperimentsMesoscopic Physics (Quantum Computer) Nano-tubeInteraction Laser and solid (crystal)(Electrodynamics and Quantum Mechanics)Particle and Field (Quantum Field Theory)Nuclear PhysicsGeneral RelativityBig BangAstrophysics (cosmics)Black holeSupernovaStatistical Physics

Research Field: Solid state Physics (Many-body system) Condensed Matter Physics Experiments Theory Mesoscopic Physics (Quantum Computer) Nano-tube Interaction Laser and solid (crystal) (Electrodynamics and Quantum Mechanics) Particle and Field (Quantum Field Theory) Nuclear Physics Astrophysics (cosmics) Statistical Physics General Relativity Big Bang Black hole Supernova

3.Why we learnPhysics?PhilosophyHow to thinkPhysics is scienceTrainingApply physics to everywhereDoing research in Physics4.How to learnMechanicsBasic trainingNewton's law + MathematicsLearn how to establish model(Finding Problem , reasoning, solving)

3.Why we learn Physics? Physics is science Philosophy Training How to think Apply physics to everywhere Doing research in Physics 4.How to learn Mechanics Basic training Newton’s law + Mathematics Learn how to establish model (Finding Problem , reasoning, solving)

5.Homework, Exams & GradeHomework ( paper, e-version) & quiz 15%40%MidtermFinal45%

5. Homework, Exams & Grade Homework ( paper, e-version) & quiz 15% Midterm 40% Final 45%

QuizSomequestion@ Why do you choose physics?What is your favorite in physics?②.What is your curious(what do you want?)?3.Find out the derivative of the following FunctionsJ=3x4= 2x2 + 8a-x2a+x=x?-α?3y= sin( ax + b)y=n(x+a)5-ax2y=xe?

 Why do you choose physics?  What is your favorite in physics?  What is your curious(what do you want?)? Quiz ☺Some question. ☺Find out the derivative of the following Functions       a x a x y + − = 3 2 8 4 2 y = x − x + 2 2 y = x − a y = sin( ax + b) y = ln( x + a) 2 ax y xe − =

Find outinfinite integration1（承率x-1)dxcosxdxsin xdx[e-adxFind out integration[(3x? - 4x + 1)dx①.L (8x3 -x)dx2cos2元xdxJodx24J-2 x + 3

☺Find out infinite integration     ☺Find out integration      (x + x −1)dx 3  cos xdx  sin xdx  − e dx ax − − 1 1 3 (8x x)dx  − + 1 0 2 (3x 4x 1)dx  1 0 2 cos 2xdx − + 2 2 x 3 dx