MECHANICS 1UNITS, PHYSICAL QUANTITIES, AND VECTORS111The Nature of Physics2 12Solving Physics Problems2 13Standards and Units4 14Unit Consistency and Conversions6 15Uncertainty and Significant Figures8 16Estimates and Orders of Magnitude10 17Vectors and Vector Addition11 18Components of Vectors15 19Unit Vectors20 110Products of Vectors21 Summary/Key Terms27 Questions/Exercises/Problems28 2MOTION ALONG A STRAIGHT LINE3621Displacement, Time, and Average Velocity37 22Instantaneous Velocity39 23Average and Instantaneous Acceleration43 24Motion with Constant Acceleration47 25Freely Falling Bodies53 *26Velocity and Position by Integration57 Summary/Key Terms60 Questions/Exercises/Problems61 3MOTION IN TWO OR THREE DIMENSIONS7131Position and Velocity Vectors72 32The Acceleration Vector74 33Projectile Motion79 34Motion in a Circle87 35Relative Velocity91 Summary/Key Terms96 Questions/Exercises/Problems97 4NEWTON’S LAWS OF MOTION10741Force and Interactions108 42Newton’s First Law111 43Newton’s Second Law115 44Mass and Weight120 45Newton’s Third Law123 46FreeBody Diagrams126 Summary/Key Terms129 Questions/Exercises/Problems1305APPLYING NEWTON’S LAWS13651Using Newton’s First Law: Particles in Equilibrium136 52Using Newton’s Second Law: Dynamics of Particles142 53Frictional Forces149 54Dynamics of Circular Motion158 *55The Fundamental Forces of Nature163 Summary/Key Terms165 Questions/Exercises/Problems166 6WORK AND KINETIC ENERGY18161Work182 62Kinetic Energy and the WorkEnergy Theorem186 63Work and Energy with Varying Forces192 64Power199 Summary/Key Terms202 Questions/Exercises/Problems203 7POTENTIAL ENERGY AND ENERGY CONSERVATION21371Gravitational Potential Energy214 72Elastic Potential Energy222 73Conservative and Nonconservative Forces229 74Force and Potential Energy232 75Energy Diagrams235 Summary/Key Terms237 Questions/Exercises/Problems238 8MOMENTUM, IMPULSE, AND COLLISIONS24781Momentum and Impulse247 82Conservation of Momentum253 83Momentum Conservation and Collisions257 84Elastic Collisions262 85Center of Mass266 *86Rocket Propulsion270 Summary/Key Terms273 Questions/Exercises/Problems274 9ROTATION OF RIGID BODIES28591Angular Velocity and Acceleration285 92Rotation with Constant Angular Acceleration290 93Relating Linear and Angular Kinematics293 94Energy in Rotational Motion296 95ParallelAxis Theorem301 *96MomentofInertia Calculations303 Summary/Key Terms306 Questions/Exercises/Problems307 10DYNAMICS OF ROTATIONAL MOTION316101Torque316 102Torque and Angular Acceleration for a Rigid Body319 103RigidBody Rotation About a Moving Axis323 104Work and Power in Rotational Motion329 105Angular Momentum331 106Conservation of Angular Momentum333 107Gyroscopes and Precession337 Summary/Key Terms341 Questions/Exercises/Problems343 11EQUILIBRIUM AND ELASTICITY354111Conditions for Equilibrium355 112Center of Gravity355 113Solving RigidBody Equilibrium Problems358 114Stress, Strain, and Elastic Moduli363 115Elasticity and Plasticity368 Summary/Key Terms370 Questions/Exercises/Problems371 12GRAVITATION383121Newton’s Law of Gravitation383 122Weight388 123Gravitational Potential Energy390 124The Motion of Satellites393 125Kepler’s Laws and the Motion of Planets396 *126Spherical Mass Distributions400 *127Apparent Weight and the Earth’s Rotation403 128Black Holes405 Summary/Key Terms410 Questions/Exercises/Problems411 13PERIODIC MOTION419131Describing Oscillation419 132Simple Harmonic Motion421 133Energy in Simple Harmonic Motion428 134Applications of Simple Harmonic Motion432 135The Simple Pendulum436 136The Physical Pendulum438 137Damped Oscillations440 138Forced Oscillations and Resonance442 Summary/Key Terms445 Questions/Exercises/Problems447 14FLUID MECHANICS456141Density456 142Pressure in a Fluid458 143Buoyancy463 144Fluid Flow466 145Bernoulli’s Equation468 *146Viscosity and Turbulence472 Summary/Key Terms476 Questions/Exercises/Problems477 WAVES/ACOUSTICS 15MECHANICAL WAVES487151Types of Mechanical Waves488 152Periodic Waves489 153Mathematical Description of a Wave492 154Speed of a Transverse Wave498 155Energy in Wave Motion502 156Wave Interference, Boundary Conditions, and Superposition505 157Standing Waves on a String507 158Normal Modes of a String511 Summary/Key Terms516 Questions/Exercises/Problems518 16SOUND AND HEARING527 161Sound Waves527 162Speed of Sound Waves532 163Sound Intensity537 164Standing Sound Waves and Normal Modes541 165Resonance and Sound546 166Interference of Waves548 167Beats550 168The Doppler Effect552 *169Shock Waves558 Summary/Key Terms561 Questions/Exercises/Problems563 THERMODYNAMICS 17TEMPERATURE AND HEAT570171Temperature and Thermal Equilibrium571 172Thermometers and Temperature Scales572 173Gas Thermometers and the Kelvin Scale574 174Thermal Expansion576 175Quantity of Heat582 176Calorimetry and Phase Changes586 177Mechanisms of Heat Transfer591 Summary/Key Terms598 Questions/Exercises/Problems600 18THERMAL PROPERTIES OF MATTER610181Equations of State611 182Molecular Properties of Matter617 183KineticMolecular Model of an Ideal Gas619 184Heat Capacities626 *185Molecular Speeds629 186Phases of Matter631 Summary/Key Terms635 Questions/Exercises/Problems637 19THE FIRST LAW OF THERMODYNAMICS646191Thermodynamic Systems646 192Work Done During Volume Changes647 193Paths Between Thermodynamic States650 194Internal Energy and the First Law of Thermodynamics651 195Kinds of Thermodynamic Processes656 196Internal Energy of an Ideal Gas658 197Heat Capacities of an Ideal Gas659 198Adiabatic Processes for an Ideal Gas662 Summary/Key Terms665 Questions/Exercises/Problems667 20THE SECOND LAW OF THERMODYNAMICS673201Directions of Thermodynamic Processes673 202Heat Engines675 203InternalCombustion Engines678 204Refrigerators680 205The Second Law of Thermodynamics682 206The Carnot Cycle684 207Entropy690 *208Microscopic Interpretation of Entropy697 Summary/Key Terms700 Questions/Exercises/Problems702 时代教育·国外高校优秀教材精选西尔斯当代大学物理下册(英文版原书第12版)Sears and Zemansky′s University Physics with Modern Physics(12th Edition) (美)休D杨 罗杰A弗里德曼(Hugh DYoung) (Roger AFreedman)著机 械 工 业 出 版 社图书在版编目(CIP)数据 西尔斯当代大学物理:第12版:英文/(美)杨(Young,HD), (美)弗里德曼(Freedman,RA)著—北京:机械工业出版社, 201012 时代教育·国外高校优秀教材精选 ISBN 9787111326755 Ⅰ①西…Ⅱ①杨…②弗…Ⅲ①物理学-高等学校-教材 -英文Ⅳ①O4 中国版本图书馆CIP数据核字(2010)第243926号 机械工业出版社(北京市百万庄大街22号邮政编码100037) 策划编辑:李永联责任编辑:李永联 封面设计:马精明责任印制:乔宇 北京机工印刷厂印刷(三河市南杨庄国丰装订厂装订) 2011年6月第1版第1次印刷 210mm×275mm·102印张·4插页·3277千字 标准书号:ISBN 9787111326755 定价:16900元(上、下册) 凡购本书,如有缺页、倒页、脱页,由本社发行部调换 电话服务 社服务中心:(010)88361066 销售一部:(010)68326294 销售二部:(010)88379649 读者购书热线:(010)88379203网络服务DETAILED CONTENTS(下册) ELECTROMAGNETISM 21ELECTRIC CHARGE AND ELECTRIC FIELD709211Electric Charge710 212Conductors, Insulators, and Induced Charges713 213Coulomb’s Law716 214Electric Field and Electric Forces721 215ElectricField Calculations727 216Electric Field Lines733 217Electric Dipoles735 Summary/Key Terms739 Questions/Exercises/Problems741 22GAUSS’S LAW750221Charge and Electric Flux750 222Calculating Electric Flux753 223Gauss’s Law757 224Applications of Gauss’s Law761 225Charges on Conductors767 Summary/Key Terms772 Questions/Exercises/Problems773 23ELECTRIC POTENTIAL780231Electric Potential Energy780 232Electric Potential787 233Calculating Electric Potential794 234Equipotential Surfaces798 235Potential Gradient801 Summary/Key Terms804 Questions/Exercises/Problems805 24CAPACITANCE AND DIELECTRICS815241Capacitors and Capacitance816 242Capacitors in Series and Parallel820 243Energy Storage in Capacitors and ElectricField Energy824 244Dielectrics828 *245Molecular Model of Induced Charge833 *246Gauss’s Law in Dielectrics835 Summary/Key Terms837 Questions/Exercises/Problems838 25CURRENT, RESISTANCE, AND ELECTROMOTIVE FORCE846251Current847 252Resistivity850 253Resistance853 254Electromotive Force and Circuits857 255Energy and Power in Electric Circuits863 *256Theory of Metallic Conduction867 Summary/Key Terms871 Questions/Exercises/Problems872 26DIRECTCURRENT CIRCUITS881261Resistors in Series and Parallel881 262Kirchhoff’s Rules886 263Electrical Measuring Instruments891 264RC Circuits896 265Power Distribution Systems900 Summary/Key Terms905 Questions/Exercises/Problems906 27MAGNETIC FIELD AND MAGNETIC FORCES916271Magnetism916 272Magnetic Field918 273Magnetic Field Lines and Magnetic Flux922 274Motion of Charged Particles in a Magnetic Field925 275Applications of Motion of Charged Particles929 276Magnetic Force on a CarrentCarrying Conductor932 277Force and Torque on a Current Loop935 *278The DirectCurrent Motor941 *279The Hall Effect943 Summary/Key Terms945 Questions/Exercises/Problems947 28SOURCES OF MAGNETIC FIELD957281Magnetic Field of a Moving Charge957 282Magnetic Field of a Current Element960 283Magnetic Field of a Straight CurrentCarrying Conductor962 284Force Between Parallel Conductors965 285Magnetic Field of a Circular Current Loop967 286Ampere’s Law969 287Applications of Ampere’s Law973 *288Magnetic Materials976 Summary/Key Terms982 Questions/Exercises/Problems984 29ELECTROMAGNETIC INDUCTION993291Induction Experiments994 292Faraday’s Law996 293Lenz’s Law1004 294Motional Electromotive Force1006 295Induced Electric Fields1008 *296Eddy Currents1011 297Displacement Current and Maxwell’s Equations1013 *298Superconductivity1017 Summary/Key Terms1019 Questions/Exercises/Problems1020 30INDUCTANCE1030301Mutual Inductance1030 302SelfInductance and Inductors1034 303Inductors and MagneticField Energy1038 304The RL Circuit1041 305The LC Circuit1045 306The LRC Series Circuit1049 Summary/Key Terms1052 Questions/Exercises/Problems1053 31ALTERNATING CURRENT311Phasors and Alternating Currents1061 312Resistance and Reactance1064 313The L-R-C Series Circuit1070 314Power in Alternating-Current Circuits1074 315Resonance in Alternating-Current Circuits1077 316Transformers1080 Summary/Key Terms1084 Questions/Exercises/Problems1085 32ELECTROMAGNETIC WAVES1092321Maxwell’s Equations and Electromagnetic Waves1093 322Plane Electromagnetic Waves and the Speed of Light1096 323Sinusoidal Electromagnetic Waves1101 324Energy and Momentum in Electromagnetic Waves1106 325Standing Electromagnetic Waves1111 Summary/Key Terms1115 Questions/Exercises/Problems1116 OPTICS 33THE NATURE AND PROPAGATION OF LIGHT1121331The Nature of Light1121 332Reflection and Refraction1123 333Total Internal Reflection1129 *334Dispersion1132 335Polarization1133 *336Scattering of Light1142 337Huygens’s Principle1144 Summary/Key Terms1147 Questions/Exercises/Problems1149 34GEOMETRIC OPTICS AND OPTICAL INSTRUMENTS1157341Reflection and Refraction at a Plane Surface1157 342Reflection at a Spherical Surface1161 343Refraction at a Spherical Surface1169 344Thin Lenses1174 345Cameras1182 346The Eye1185 347The Magnifier1189 348Microscopes and Telescopes1191 Summary/Key Terms1196 Questions/Exercises/Problems1198 35INTERFERENCE1207351Interference and Coherent Sources1208 352TwoSource Interference of Light1211 353Intensity in Interference Patterns1214 354Interference in Thin Films1218 355The Michelson Interferometer1224 Summary/Key Terms1227 Questions/Exercises/Problems1228 36DIFFRACTION1234361Fresnel and Fraunhofer Diffraction1235 362Diffraction from a Single Slit1236 363Intensity in the SingleSlit Pattern1239 364Multiple Slits1243 365The Diffraction Grating1246 366XRay Diffraction1250 367Circular Apertures and Resolving Power1253 *368Holography1256 Summary/Key Terms1259 Questions/Exercises/Problems1260 MODERN PHYSICS 37RELATIVITY1268371Invariance of Physical Laws1268 372Relativity of Simultaneity1272 373Relativity of Time Intervals1274 374Relativity of Length1278 375The Lorentz Transformation1283 *376The Doppler Effect for Electromagnetic Waves1287 377Relativistic Momentum1289 378Relativistic Work and Energy1292 379Newtonian Mechanics and Relativity1295 Summary/Key Terms1298 Questions/Exercises/Problems1300 38PHOTONS, ELECTRONS, AND ATOMS1307381Emission and Absorption of Light1307 382The Photoelectric Effect1309 383Atomic Line Spectra and Energy Levels1314 384The Nuclear Atom1319 385The Bohr Model1322 386The Laser1327 387XRay Production and Scattering1330 388Continuous Spectra1334 389WaveParticle Duality1338 Summary/Key Terms1340 Questions/Exercises/Problems1342 39THE WAVE NATURE OF PARTICLES1349391De Broglie Waves1350 392Electron Diffraction1352 393Probability and Uncertainty1355 394The Electron Microscope1360 395Wave Functions and the Schrdinger Equation1361 Summary/Key Terms1368 Questions/Exercises/Problems1369 40QUANTUM MECHANICS1375401Particle in a Box1375 402Potential Wells1380 403Potential Barriers and Tunneling1384 404The Harmonic Oscillator1387 405ThreeDimensional Problems1392 Summary/Key Terms1394 Questions/Exercises/Problems1395 41ATOMIC STRUCTURE1401411The Hydrogen Atom1401 412The Zeeman Effect1409 413Electron Spin1413 414ManyElectron Atoms and the Exclusion Principle1417 415XRay Spectra1423 Summary/Key Terms1427 Questions/Exercises/Problems1428 42MOLECULES AND CONDENSED MATTER1433421Types of Molecular Bonds1433 422Molecular Spectra1436 423Structure of Solids1441 424Energy Bands1445 425FreeElectron Model of Metals1447 426Semiconductors1452 427Semiconductor Devices1455 428Superconductivity1460 Summary/Key Terms1461 Questions/Exercises/Problems1462 43NUCLEAR PHYSICS1468431Properties of Nuclei1468 432Nuclear Binding and Nuclear Structure1473 433Nuclear Stability and Radioactivity1478 434Activities and HalfLives1485 435Biological Effects of Radiation1489 436Nuclear Reactions1492 437Nuclear Fission1494 438Nuclear Fusion1498 Summary/Key Terms1502 Questions/Exercises/Problems1503 44PARTICLE PHYSICS AND COSMOLOGY1509441Fundamental Particles—A History1509 442Particle Accelerators and Detectors1514 443Particles and Interactions1519 444Quarks and the Eightfold Way1525 445The Standard Model and Beyond1530 446The Expanding Universe1532 447The Beginning of Time1538 Summary/Key Terms1547 Questions/Exercises/Problems1548 APPENDICES AThe International System of UnitsA-1 BUseful Mathematical RelationsA-3 CThe Greek AlphabetA-4 DPeriodic Table of ElementsA-5 EUnit Conversion FactorsA-6 FNumerical ConstantsA-7 Answers to OddNumbered ProblemsA-9 Photo CreditsC-1 IndexI-1