Physics 311 Classical Mechanics Welcome! Syllabus. Discussion of Classical Mechanics. Topics to be...
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Transcript of Physics 311 Classical Mechanics Welcome! Syllabus. Discussion of Classical Mechanics. Topics to be...
![Page 1: Physics 311 Classical Mechanics Welcome! Syllabus. Discussion of Classical Mechanics. Topics to be Covered. The Role of Classical Mechanics in Physics.](https://reader036.fdocuments.us/reader036/viewer/2022082710/56649e755503460f94b76150/html5/thumbnails/1.jpg)
Physics 311Classical Mechanics
• Welcome!
• Syllabus.
• Discussion of Classical Mechanics.
• Topics to be Covered.
• The Role of Classical Mechanics in Physics.
![Page 2: Physics 311 Classical Mechanics Welcome! Syllabus. Discussion of Classical Mechanics. Topics to be Covered. The Role of Classical Mechanics in Physics.](https://reader036.fdocuments.us/reader036/viewer/2022082710/56649e755503460f94b76150/html5/thumbnails/2.jpg)
Topics
Newton’s laws
General discussion of differential equations. Energy, work, and potential energy.
Time from the energy equation. “Falling Balls” -- velocity-dependent forces:
Fluid resistance and terminal velocity.Numerical Methods.
Vector analysis
Coordinate systemsVector derivatives.
More on work and potential energy. Symmetry and conservation laws in classical mechanics.
Oscillators
The simple harmonic oscillator (SHO).The damped harmonic oscillator.
Phase Space. Forced harmonic oscillator.
Non-sinusoidal driving forces: Fourier expansions.Non-linear oscillators: methods of solution
Examples: Pendula, Duffing’s eqn., Van Der Pol’s osc.Test 1
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Topics, continued
Motion in 3-D
Potential energy and projectile motion in 3-D.The harmonic oscillator in 2-D and 3-D.
Charged particles in magnetic and electric fields.
Lagrangians
The Lagrangian.and Hamilton’s PrincipleEuler-Lagrange equations
Hamilton’s equations and reduction of order. (Special topic) Liouville theorem. (Special topic) Poisson Brackets.
Rotating Frames of Reference
Accelerated coordinate systems and inertial forces.Rotating reference frames.
Dynamics of a particle in a rotating frame of reference.Effects of Earth’s Rotation
Foucault Pendulum.
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Topics, continued
GravityCentral forces
Kepler’s Laws.Orbits.
Scattering.
Systems of particles
Center of mass.Energy, momentum, and linear momentum.
The reduced mass and the two body problem.The restricted three body problem
Hand out take home exam
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Topics, continued
Systems of particles (continued)
CollisionsRocket motion
Mechanics of Rigid Bodies
Center of mass of a rigid body, and rotation of a rigid body about a fixed axis.
Calculation of the moment of inertia.The physical pendulum
A general theorem concerning angular momentumLaminar motion.
Impulse and collision involving rigid bodies.Rotation of rigid bodies about an arbitrary axis.
Principal axes of a rigid body, and Euler’s equations of motion of a rigid body.
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The Typical Structure of Physical Theories
Force Descriptions Mechanics
Electricity & MagnetismGravityEtc.
Classical MechanicsQuantum MechanicsQuantum Field Theory
Mechanics tells us how an object will move given a force. We call this the kinematics of the system. Newton’s second law, F = ma is an example of a
kinematic equation. It relates the acceleration of an object to the force.
We call the description of the forces themselves the dynamics of the system. Gauss’s Law is an example
of a dynamical equation.
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Classical Mechanics
Quantum Mechanics
Special Relativity
Quantum Field Theory
(Newton: 1642-1727)
(Bohr, Heisenberg, Schrodinger, et al.)
(Einstein. 1905 was a big year.)
(Dirac, Pauli, Feynman, Schwinger, et al.)
The Four Forces to Which Mechanics is Applied:
1. Strong
2. Electromagnetic
3. Weak
4. Gravitational