What's new in the 3rd edition?
The 3rd edition of this text includes the following new features:
- Full color, which helps clarify many diagrams and allows examples
to stand out more clearly.
- A larger set of exercises and problems at the end of each chapter.
- More numerical examples and problems to complement symbolic ones.
- Improvements in the treatments of computational modeling, angular
momentum, the effect of electric fields on matter, and electromagnetic
radiation.
- A section on geometric optics in Chapter 24 (electromagnetic radiation).
Details of Changes from the 2nd Edition
The iterative approach to predicting motion, which is the foundation for computational modeling, has been moved from Chapter 3 to Chapter 2 in recognition of its central importance in modern mechanics. This makes it possible to practice with the iterative approach in the context of simple force laws before applying it to more complicated 1/r2 vector force laws in Chapter 3.
Chapter 3 has been renamed "Fundamental Interactions" and includes examples of all four fundamental interactions: gravitational, electromagnetic, weak, and strong.
What had been a very long Chapter 4 has been split into Chapter 4 on the ball-and-spring model of solids and spring-mass oscillations and Chapter 5 on statics and dynamics free-body problems, including dynamics problems involving curving motion. Included in the new Chapter 5 is extended and more consistent instruction on statics and dynamics free-body problems. The Momentum Principle in the form dp/dt = Fnet is still primary, but more consistent connections are made to acceleration.
In the first chapter on energy (Chapter 6) potential energy is introduced in a more concrete way in the context of a particular force law (gravitation).
The second energy chapter (Chapter 7) deals a bit more extensively with the full range of types of energy inputs, not just work and thermal energy transfer but also radiative transfer, mass transfer, sound, and electrical inputs. It also introduces explicitly the concept of a steady state, where there are several energy transfers but no change in the energy of the system.
In Chapter 8 on quantized energy there is explicit mention of the existence of selection rules, which in this introductory treatment are not actually taken into account.
Chapter 9 on multiparticle systems now introduces moment of inertia and rotational kinetic energy. There is an example of using integral calculus to find the moment of inertia for a rod.
Chapter 11 on angular momentum builds on the concept of moment of inertia and rotational kinetic energy which are now introduced in Chapter 9. There are many more numerical examples to make the concepts more concrete. There is a basic treatment of rotational kinematics.
Chapter 12 on quantum statistical mechanics now uses kB instead of k for the Boltzmann constant.
Chapter 15 on the effects of electric field on matter has been reorganized and strengthened, and v = uE is introduced to help students understand with a deeper sense of mechanism why E=0 in a conductor in equilibrium. The case study on sparks has been moved to Chapter 21 on magnetic force and has been rewritten to use the concept of potential and to capitalize on the discussion of Jack and Jill and Einstein in discussing the extended muon lifetime.
Chapter 17 on electric potential includes an explicit procedure for computing potential difference from a known electric field.
Chapter 22 now contains the discussion of p-n junctions, formerly in a separate chapter, as a case study in the use of Gauss's law.
Chapter 23 on Faraday's law is now careful to say that a curly electric field and a time-varying magnetic field accompany each other, rather than asserting that a time-varying magnetic field "causes" a curly electric field.
Chapter 24 on electromagnetic radiation has been reorganized for greater clarity and includes sections on geometrical optics. There is now an optional section that derives the equation for the radiative field of an accelerated charge, based on a derivation by Purcell.
Textbook ordering information
3rd edition Volume 1 (paperback) ISBN: 978-0-470-50345-4
3rd edition Volume 2 (paperback) ISBN: 978-0-470-50346-1
3rd edition complete in one volume (hardbound)ISBN: 978-0-470-50347-8
An ebook version will be available through WebAssign.
