Physics - Audio
by Ramamurti Shankar
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Description
(PHYS 200) This course provides a thorough introduction to the principles and methods of physics for students who have good preparation in physics and mathematics. Emphasis is placed on problem solving and quantitative reasoning. This course covers Newtonian mechanics, special relativity, gravitation, thermodynamics, and waves. This class was recorded in Fall 2006.
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01 - Course Introduction and Newtonian Mechanics | Professor Shankar introduces the course and answers student questions about the material and the requirements. He gives an overview of Newtonian mechanics and explains its two components: kinematics and dynamics. He then reviews basic concepts... | 10/9/09 | Free | View In iTunes |
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02 - Vectors in Multiple Dimensions | In this lecture, Professor Shankar discusses motion in more than one dimension. Vectors are introduced and discussed in multiple dimensions. Vector magnitude and direction are also explained. Null vectors, minus vectors, unit and velocity vectors are... | 10/9/09 | Free | View In iTunes |
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03 - Newton's Laws of Motion | This lecture introduces Newton's Laws of Motion. The First Law on inertia states that every object will remain in a state of rest or uniform motion in a straight line unless acted upon by an external force. The Second Law (F = ma) relates the cause ... | 10/9/09 | Free | View In iTunes |
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04 - Newton's Laws (cont'd) and Inclined Planes | The lecture begins with the application of Newton's three laws, with the warning that they are not valid for objects that move at speeds comparable to the speed of light or objects that are incredibly small and of the atomic scale. Friction and ... | 10/9/09 | Free | View In iTunes |
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05 - Work-Energy Theorem and Law of Conservation of Energy | The lecture begins with a review of the loop-the-loop problem. Professor Shankar then reviews basic terminology in relation to work, kinetic energy and potential energy. He then goes on to define the Work-Energy Theorem. Finally, the... | 10/9/09 | Free | View In iTunes |
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06 - Law of Conservation of Energy in Higher Dimensions | The discussion on the Law of Conservation of Energy continues but is applied in higher dimensions. The notion of a function with two variables is reviewed. Conservative forces are explained and students are taught how to recognize and manufacture them. | 10/9/09 | Free | View In iTunes |
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07 - Kepler's Laws | The focus of the lecture is problems of gravitational interaction. The three laws of Kepler are stated and explained. Planetary motion is discussed in general, and how this motion applies to the planets moving around the Sun in particular. | 10/9/09 | Free | View In iTunes |
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08 - Dynamics of Multiple-Body System and Law of Conservation of Momentum | The dynamics of a many-body system is examined. Through a variety of examples, the professor demonstrates how to locate the center of mass and how to evaluate it for a number of objects. Finally, the Law of Conservation of Momentum is introduced... | 10/9/09 | Free | View In iTunes |
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09 - Rotations: Part I; Dynamics of Rigid Bodies | Part I of Rotations. The lecture begins with examining rotation of rigid bodies in two dimensions. The concepts of "rotation" and "translation" are explained. The use of radians is introduced. Angular velocity, angular momentum, angular acceleration... | 10/9/09 | Free | View In iTunes |
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10 - Rotations: Part II; Parallel Axis Theorem | Part II of Rotations. The lecture begins with an explanation of the Parallel Axis Theorem and how it is applied in problems concerning rotation of rigid bodies. The moment of inertia of a disk is discussed as a demonstration of the theorem. | 10/9/09 | Free | View In iTunes |
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11 - Torque | This lecture is a continuation of an analogue to Newton's law: τ= lα. While previous problems examined situations in which τ is not zero, this time the focus is on extreme cases in which there is no torque at all. If there is no torque, α is... | 10/9/09 | Free | View In iTunes |
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12 - Introduction to Relativity | This is the first of a series of lectures on relativity. The lecture begins with a historical overview and goes into problems that aim to describe a single event as seen by two independent observers. Maxwell's theory, as well as the Galilean... | 10/9/09 | Free | View In iTunes |
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13 - Lorentz Transformation | This lecture offers detailed analysis of the Lorentz transformations which relate the coordinates of an event in two frames in relative motion. It is shown how length, time and simultaneity are relative. | 10/9/09 | Free | View In iTunes |
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14 - Introduction to the Four-Vector | The four-vector is introduced that unifies space-time coordinates x, y, z and t into a single entity whose components get mixed up under Lorentz transformations. The length of this four-vector, called the space-time interval, is shown to be invariant ... | 10/9/09 | Free | View In iTunes |
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15 - Four-Vector in Relativity | The discussion of four-vector in relativity continues but this time the focus is on the energy-momentum of a particle. The invariance of the energy-momentum four-vector is due to the fact that rest mass of a particle is invariant under coordinate ... | 10/9/09 | Free | View In iTunes |
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16 - The Taylor Series and Other Mathematical Concepts | The lecture covers a number of mathematical concepts. The Taylor series is introduced and its properties discussed, supplemented by various examples. Complex numbers are explained in some detail, especially in their polar form... | 10/9/09 | Free | View In iTunes |
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17 - Simple Harmonic Motion | The focus of the lecture is simple harmonic motion. Professor Shankar gives several examples of physical systems, such as a mass M attached to a spring, and explains what happens when such systems are disturbed. Amplitude, frequency and period... | 10/9/09 | Free | View In iTunes |
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18 - Simple Harmonic Motion (con't) and Introduction to Waves | This lecture continues the topic of harmonic motions. Problems are introduced and solved to explore various aspects of oscillation. The second half of the lecture is an introduction to the nature and behavior of waves. Both longitudinal and transverse... | 10/9/09 | Free | View In iTunes |
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19 - Waves | Waves are discussed in further detail. Basic properties of the waves such as velocity, energy, intensity, and frequency are discussed through a variety of examples. The second half of the lecture deals specifically with superposition of waves... | 10/9/09 | Free | View In iTunes |
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20 - Fluid Dynamics and Statics and Bernoulli's Equation | The focus of the lecture is on fluid dynamics and statics. Different properties are discussed, such as density and pressure. The Archimedes' Principle is introduced and demonstrated through a number of problems. The final topic of the lecture is ... | 10/9/09 | Free | View In iTunes |
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21 - Thermodynamics | This is the first of a series of lectures on thermodynamics. The discussion begins with understanding "temperature." Zeroth's law is introduced and explained. Concepts such as "absolute zero" and "triple point of water" are defined. Measuring ... | 10/9/09 | Free | View In iTunes |
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22 - The Boltzmann Constant and First Law of Thermodynamics | This lecture continues the topic of thermodynamics, exploring in greater detail what heat is, and how it is generated and measured. The Boltzmann Constant is introduced. The microscopic meaning of temperature is explained. The First Law of ... | 10/9/09 | Free | View In iTunes |
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23 - The Second Law of Thermodynamics and Carnot's Engine | Why does a dropped egg that spatters on the floor not rise back to your hands even though no laws prohibit it? The answer to such irreversibility resides the Second Law of Thermodynamics which explained in this and the next lecture. ... | 10/9/09 | Free | View In iTunes |
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24 - The Second Law of Thermodynamics (con't) and Entropy | The focus of the lecture is the concept of entropy. Specific examples are given to calculate the entropy change for a number of different processes. Boltzmann's microscopic formula for entropy is introduced and used to explain irreversibility. | 10/9/09 | Free | View In iTunes |
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Customer Reviews
Thank you !
I teared up when I found this on the Itunes store. I'm a 9th grade dropout that made some bad decisions in high school and never went to college. Years later I have found an extreme thirst for knowledge and am trying to self educate to try and clept out of some classes so I can get my degree quicker. Through some of these online classes and lectures I can slowly get the education I so desperately want. Thank you for posting and even better providing it free.
THANK YOU!!!! (I'm 13)
Omg thanks so much I want to excel in math more!! So thanks for posting this!
A Perfect Introduction to Physics
Dr. Shankar gives a profound insight to his students and podcast listeners alike, by describing classical mechanics up to quantum principles in a coherent fashion. Although, I am still a high school senior; I've been accepted to Cal State Northridge and I choose physics as my major because of my inquiry of the physical universe around me. This gave me a sense of what professors might expect from their students, I also realized that the mathematics is calculus based throughout these lectures. It might be a bit difficult for those of us who aren't mathematical as Newton, Einstein, Bohr, Laplace, and Heinsberg. However, every lecture ranges from topics like quantum mechanics, vector analysis, special relativity, and so forth. I totally recommend this for anyone who has an intrest in physics and for those who might want to major in a field related to it. I love physics and my dream is to recieve a PhD in some area that concerned with that section of science, almost every day I read articles from NOVA or read encyclopedia articles about physics.
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