《西尔斯当代大学物理(英文版·原书12版)(共2册)》作为**的世界经典**教材,《西尔斯当代大学物理》自1949年**出版以来,历经半个多世纪,在物理教育的探索与创新方面一直发挥着先导作用,其许多可圈可点的特色在美国乃至世界其他**,影响了一代又一代的大学师生,是当今世界发行量*大的主流教材之一。
《西尔斯当代大学物理(英文版·原书12版)(共2册)》是第12版,它很好地继承了*畅销的第11版不断创新和精心制作的传统,在充分吸收教育研究**思想的基础上,它强化了解题指导,并提供先进、形象的概念教学法,系统性很强的习题,被实际教学证明有效��得到广泛应用的教学辅导与作业在线系统。
《西尔斯当代大学物理(英文版·原书12版)(共2册)》内容丰富、生动,图文并茂,举例鲜活,趣味性强,联系实际密切,强调概念理解,注重能力培养;每章的问题引入法、正文探索式的叙述法以及每节的思考题检测法等多种教学方法并用,能有效调动学生学习的积极性,提高学生的学习效能;原汁原味的英语更能让学生尽享语言学习的美味大餐、
《西尔斯当代大学物理(英文版·原书12版)(共2册)》的主要特色有:
四步解题法

The development of physical theory requires creativity at every stage.The physicist has to learn to ask appropriate questions,design experiments to try to answer the questions,and draw appropriate conclusions from the results.Fig-ure 1~shows two famous experimental facilities. Legend has it that Galileo Galilei(1564-1642)dropped fight and heavy objects from the top ofthe Leaning Tower ofPisa(Fig.1.1a)to find out whether meir rates of fall were the same or different.Galileo recognized that only experi.mental investigation could answer this question.From examining the results of his experiments(which were actually much more sophisticated than in the leg.end),he made the inductive leap to the principle,or theory,that the acceleration of a falling body is independent of its weight.
The development of physical theories such as Galileo’s is alwaysa two.way process that starts and ends with observations or expedmen~.This development often takes an indirect path,with blind alleys,wrong guesses,and the discarding of unsuccessful theories in favor of more promising Ones.-Physics is not simply a collection of facts and princil;}les;it is also the process by which we arrive at gen.eral principles that describe how the physical universe behaves. No theory is ever regarded as the final or ultimate truth.The possibility always”exists that new observations will require that a theory be revised or discarded.It isin t11e nature of physical theory that we can disprove a theory by finding behaviormat 1s inconsistent wlth 1t,but we can never prove that a theory is always correct. Getting back to Galileo,suppose we drop a feather and a cannonball.Thevcertainly do not faU at the same rate.This does not mean that Galileo was wrong;lt means that his theory was incomplete.If we drop the feather and the cannon.ball in a Vacuum to eliminate the effects ofthe air,then they do fall at the samerate.Galileo’s theory has a range of validity:It applies only to objects for whichthe force exerted by the air(due to air resistance and buoyancy)is much 1ess thanthe weight.Objects like feathers or parachutes are clearly outside this range. Every physical theory has a range of validity outside of which it is not appli,cable.Often a new development in physics extends a principle’s range of valid-ity.Galileo’s analysis of falling bodies was greatly extended half a century laterby Newton’s laws of motion and law of gravitation.
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BRIEF CONTENTS
Mechanics
1 Units,Physical Quantities,and Vectors
2 Motion Along a Straight Line
3 Motion in Two or Three Dimensions
4 Newton,s Laws of Motion
3 Applying Newton's Laws
6 Work and Kinetic Energy
7 Potential Energyand Energy Conservation
8 Momentum,Impulse,and Collisions
9 Rotation of Rigid Bodies
10 Dynamics of Rotational Motion
11 Equilibrium and Elasticity
12 Gravitation
13 Periodic Motion
14 F1uid Mechanics Waves/Acoustics
15 Mechanical Waves
16 Sound and HearingThermodynamics
17 Temperature and Heat
18 Thermal Properties of Matter
19 The First Law of Thermodynamics
20 The Second Law of ThermodynamicsElectromagnetism
21 Electric Charge and Electric Field
22 Gauss S Law
23 Electric Potential
24 Capacitance and Dielectrics
25 Current.Resistance,and Electromotive Force
26 Direct.Current Circuits
27 Magnetic Field and Magnetic Forces
28 Sources of Magnetic Field
29 Electromagnetic Induction
30 Inductance
31 Alternating Current
32 Electromagnetic WaveOptics
33 The Nature and Propagation of Light
34 Geometric Opticsand Optical Instruments
35 Interference
36 DiffractionModern Physics
37 Relativity
38 Photons,Electrons,and Atoms
39 The wave Nature of Particles
40 Quantum Mechanics
41 Atomic Structure
42 Molecules and Condensed Matter
43 Nuclear Physics
44 Particle Physics and CosmologyAPPENDICES
A The International System of Units A-
B Useful Mathematical Relations A-
C The Greek Alphabet A-
D Periodic Table of Elements A-
E Unit Conversion Factors A-
F Numerical Constants A-
Answers to 0dd-Numbered Problems A-