工程力学:静力学 》》 电子书下载 PDF下载

 工程力学:静力学 》》
内容简介
美国R.C.Hibbeler。著Engineering Mechanics分为Statics分册和Dynarrtics分册(第10版),这套教材是典型的美式教材,它具有以下一些特点:基本概念、基本原理的叙述简明、准确、便于掌握, 强调理论应用,配有大量例题和习题,多来自实际问题,有利于应用理论解决实际问题能力的培养,关注学习方法的指导,详尽介绍各类问题的解决思路、方法、技巧,便于自学。
目录
1 General Principles 3
Chapter Objectives 3
1.1  Mechanics 3
1.2  Fundamental Concepts 4
1.3  Units of Measurement 6
1.4  The International System of Units
1.5  Numerical Calculations 10

2 Force Vectors 17
Chapter Objectives 17
2.1  Scalars and Vectors 17
2.2  Vector Operations 18
2.3  Vector Addition of Forces 20
2.4  Addition of a System of Coplanar Forces 31
2.5  Cartesian Vectors 42
2.6  Addition and Subtraction of Cartesian Vectors 46
2.7  Position Vectors 55
2.8  Force Vector Directed Along a Line 58
2.9  Dot Product 68

3 [ Equilibrium of a ParticleChapter Objectives 81
3.1  Condition for the Equilibrium of a Particle 81
3.2  The Free-Body Diagram 82
3.3  Coplanar Force Systems 85
3.4  Three-Dimensional Force Systems 98

4 Force System Resultants 113
Chapter Objectives 113
4.1  Moment of a Force——Scalar Formulation
4.2  Cross Product 118
4.3  Moment of a Force——Vector Formulation 121
4.4  Principle of Moments 126
4.5  Moment of a Force About a Specified Axis 138
4.6  Moment of a Couple 148
4.7  Equivalent System 160
4.8  Resultants of a Force and Couple System 162
4.9  Further Reduction of a Force and Couple System 166
4.10 Reduction of a Simple Distributed Loading 180

5 Equilibrium of a Rigid Body  193
Chapter Objectives 193
5.1  Conditions for Rigid-Body Equilibrium 193
5.1  Equilibrium in Two Dimensions 195
5.2  Free-Body Diagrams 195
5.3  Equations of Equilibrium 209
5.4  Two- and Three-Force Members 218
5.4  Equilibrium in Three Dimensions 231
5.5  Free-Body Diagrams 231
5.6  Equations of Equilibrium 237
5.7  Constraints for a Rigid Body 238

6 Structural Analysis 257
Chapter Objectives 257
6.1  Simple Trusses 257
6.2  The Method of Joints 260
6.3  Zero-Force Members 266
6.4  The Method of Sections 272
6.5  Space Trusses 283
6.6  Frames and Machines 287

7 Internal Forces 325
Chapter Objectives 325
7.1  Internal Forces Developed in Structural Members 325
7.2  Shear and Moment Equations and Diagrams 342
7.3  Relations Between Distributed Load,Shear, and Moment 350
7.4  Cables 360

8 Friction 379
Chapter Objectives 379
8.1  Characteristics of Dry Friction 379
8.2  Problems Involving Dry Friction 383
8.3  Wedges 404
8.4  Frictional Forces on Screws 406
8.5  Frictional Forces on Flat Belts 414
8.6  Frictional Forces on Collar Bearings, Pivot Bearings, and Disks 421
8.7  Frictional Forces on Journal Bearings 424
8.8  Rolling Resistance 426

9 Center of Gravity and Centroid 437
Chapter Objectives 437
9.1  Center of Gravity and Center of Mass for a System of Particles 437
9.2  Center of Gravity, Center of Mass and Centroid for a Body 439
9.3  Composite Bodies 461
9.4  Theorems of Pappus and Guldinus 475
9.5  Resultant of a General Distributed Loading 483
9.6  Fluid Pressure 484

10 Moments of Inertia 499
Chapter Objectives 499
10.1  Definition of Moments of Inertia for Areas 499
10.2  Parallel-Axis Theorem for an Area 501
10.3  Radius of Gyration of an Area 501
10.4  Moments of Inertia for an Area by Integration 502
10.5  Moments of Inertia for Composite Areas 510
10.6 Product of Inertia for an Area 518
10.7 Moments of Inertia for an Area About Inclined Axes 522
10.8 Mohrs Circle for Moments of Inertia 525
10.9  Mass Moment of Inertia 535

11 Virtual Work 551
Chapter Objectives 551
11.1  Definition of Work and Virtual Work 551
11.2  Principle of Virtual Work for a Particle and a Rigid Body 554
11.3  Principle of Virtual Work for a System of Connected Rigid Bodies 555
11.4 Conservative Forces 568
11.5 Potential Energy 569
11.6 Potential-Energy Criterion for Equilibrium 570
11.7 Stability of Equilibrium 572
Appendices
A. Mathematical Expressions  584
B. Numerical and Computer Analysis  586
C. Review for the Fundamentals of Engineering Examination 592
Answers to Selected Problems  611
Index  627
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