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Engineering Mechanics: Combined Statics & Dynamics
Synopses & ReviewsPublisher Comments:Engineering Mechanics: Combined Statics & Dynamics, Twelfth Edition is ideal for civil and mechanical engineering professionals. In his substantial revision of Engineering Mechanics, R.C. Hibbeler empowers students to succeed in the whole learning experience. Hibbeler achieves this by calling on his everyday classroom experience and his knowledge of how students learn inside and outside of lecture.
In addition to over 50% new homework problems, the twelfth edition introduces the new elements of Conceptual Problems, Fundamental Problems and MasteringEngineering, the most technologically advanced online tutorial and homework system. Synopsis:KEY BENEFIT: R.C. Hibbeler’s text features a large variety of problem types from a broad range of engineering disciplines, stressing practical, realistic situations encountered in professional practice, varying levels of difficulty, and problems that involve solution by computer. KEY TOPICS: Maintaining the hallmark Hibbeler focus on problemsolving, visualization, and accuracy, this edition includes over 50% new problems, and new elements of Conceptual Problems, Fundamental Problems and MasteringEngineering, the most technologically advanced online tutorial system. MARKET: Ideal for civil and mechanical engineering professionals.
About the AuthorR.C. Hibbeler graduated from the University of Illinois at Urbana with a BS in Civil Engineering (major in Structures) and an MS in Nuclear Engineering. He obtained his PhD in Theoretical and Applied Mechanics from Northwestern University.
Hibbeler’s professional experience includes postdoctoral work in reactor safety and analysis at Argonne National Laboratory, and structural work at Chicago Bridge and Iron, as well as Sargent and Lundy in Tucson. He has practiced engineering in Ohio, New York, and Louisiana. Hibbeler currently teaches at the University of Louisiana, Lafayette. In the past he has taught at the University of Illinois at Urbana, Youngstown State University, Illinois Institute of Technology, and Union College. Table of ContentsSTATICS
1 General Principles 3 Chapter Objectives 3 1.1 Mechanics 3 1.2 Fundamental Concepts 4 1.3 Units of Measurement 7 1.4 The International System of Units 9 1.5 Numerical Calculations 10 1.6 General Procedure for Analysis 12
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 32 2.5 Cartesian Vectors 43 2.6 Addition of Cartesian Vectors 46 2.7 Position Vectors 56 2.8 Force Vector Directed Along a Line 59 2.9 Dot Product 69
3 Equilibrium of a Particle 85 Chapter Objectives 85 3.1 Condition for the Equilibrium of a Particle 85 3.2 The FreeBody Diagram 86 3.3 Coplanar Force Systems 89 3.4 ThreeDimensional Force Systems 103
4 Force System Resultants 117 Chapter Objectives 117 4.1 Moment of a Force—Scalar Formulation 117 4.2 Cross Product 121 4.3 Moment of a Force—Vector Formulation 124 4.4 Principle of Moments 128 4.5 Moment of a Force about a Specified Axis 139 4.6 Moment of a Couple 148 4.7 Simplification of a Force and Couple System 160 4.8 Further Simplification of a Force and Couple System 170 4.9 Reduction of a Simple Distributed Loading 183
5 Equilibrium of a Rigid Body 199 Chapter Objectives 199 5.1 Conditions for RigidBody Equilibrium 199 5.2 FreeBody Diagrams 201 5.3 Equations of Equilibrium 214 5.4 Two and ThreeForce Members 224 5.5 FreeBody Diagrams 237 5.6 Equations of Equilibrium 242 5.7 Constraints and Statical Determinacy 243
6 Structural Analysis 263 Chapter Objectives 263 6.1 Simple Trusses 263 6.2 The Method of Joints 266 6.3 ZeroForce Members 272 6.4 The Method of Sections 280 6.5 Space Trusses 290 6.6 Frames and Machines 294
7Internal Forces 329 Chapter Objectives 329 7.1 Internal Forces Developed in Structural Members 329 7.2 Shear and Moment Equations and Diagrams 345 7.3 Relations between Distributed Load, Shear, and Moment 354 7.4 Cables 365
8 Friction 387 Chapter Objectives 387 8.1 Characteristics of Dry Friction 387 8.2 Problems Involving Dry Friction 392 8.3 Wedges 412 8.4 Frictional Forces on Screws 414 8.5 Frictional Forces on Flat Belts 421 8.6 Frictional Forces on Collar Bearings, Pivot Bearings, and Disks 429 8.7 Frictional Forces on Journal Bearings 432 8.8 Rolling Resistance 434
9 Center of Gravity andCentroid 447 Chapter Objectives 447 9.1 Center of Gravity, Center of Mass, and the Centroid of a Body 447 9.2 Composite Bodies 470 9.3 Theorems of Pappus and Guldinus 484 9.4 Resultant of a General Distributed Loading 493 9.5 Fluid Pressure 494
10 Moments of Inertia 511 Chapter Objectives 511 10.1 Definition of Moments of Inertia for Areas 511 10.2 ParallelAxis Theorem for an Area 512 10.3 Radius of Gyration of an Area 513 10.4 Moments of Inertia for Composite Areas 522 10.5 Product of Inertia for an Area 530 10.6 Moments of Inertia for an Area about Inclined Axes 534 10.7 Mohr’s Circle for Moments of Inertia 537 10.8 Mass Moment of Inertia 545
11 Virtual Work 563 Chapter Objectives 563 11.1 Definition of Work 563 11.2 Principle of Virtual Work 565 11.3 Principle of Virtual Work for a System of Connected Rigid Bodies 567 11.4 Conservative Forces 579 11.5 Potential Energy 580 11.6 PotentialEnergy Criterion for Equilibrium 582 11.7 Stability of Equilibrium Configuration 583
Appendix A. Mathematical Review and Expressions 598 Fundamental Problems Partial Solutions and Answers 603 Answers to Selected Problems 620 Index 650
DYNAMICS
12 Kinematics of a Particle 3 Chapter Objectives 3 12.1 Introduction 3 12.2 Rectilinear Kinematics: Continuous Motion 5 12.3 Rectilinear Kinematics: Erratic Motion 19 12.4 General Curvilinear Motion 32 12.5 Curvilinear Motion: Rectangular Components 34 12.6 Motion of a Projectile 39 12.7 Curvilinear Motion: Normal and Tangential Components 53 12.8 Curvilinear Motion: Cylindrical Components 67 12.9 Absolute Dependent Motion Analysis of Two Particles 81 12.10 RelativeMotion of Two Particles Using Translating Axes 87
13 Kinetics of a Particle: Force and Acceleration 107 Chapter Objectives 107 13.1 Newton’s Second Law of Motion 107 13.2 The Equation of Motion 110 13.3 Equation of Motion for a System of Particles 112 13.4 Equations of Motion: Rectangular Coordinates 114 13.5 Equations of Motion: Normal and Tangential Coordinates 131 13.6 Equations of Motion: Cylindrical Coordinates 144 *13.7 CentralForce Motion and Space Mechanics 155
14 Kinetics of a Particle: Work and Energy 169 Chapter Objectives 169 14.1 The Work of a Force 169 14.2 Principle of Work and Energy 174 14.3 Principle of Work and Energy for a System of Particles 176 14.4 Power and Efficiency 192 14.5 Conservative Forces and Potential Energy 201 14.6 Conservation of Energy 205
15 Kinetics of a Particle: Impulse and Momentum 221 Chapter Objectives 221 15.1 Principle of Linear Impulse and Momentum 221 15.2 Principle of Linear Impulse and Momentum for a System of Particles 228 15.3 Conservation of Linear Momentum for a System of Particles 236 15.4 Impact 248 15.5 Angular Momentum 262 15.6 Relation Between Moment of a Force and Angular Momentum 263 15.7 Principle of Angular Impulse and Momentum 266 15.8 Steady Flow of a Fluid Stream 277 *15.9 Propulsion with Variable Mass 282 Review 1. Kinematics and Kinetics of a Particle 298
16 Planar Kinematics of a Rigid Body 311 Chapter Objectives 311 16.1 Planar RigidBody Motion 311 16.2 Translation 313 16.3 Rotation about a Fixed Axis 314 16.4 Absolute Motion Analysis 329 16.5 RelativeMotion Analysis: Velocity 337 16.6 Instantaneous Center of Zero Velocity 351 16.7 RelativeMotion Analysis: Acceleration 363 16.8 RelativeMotion Analysis using Rotating Axes 377
17 Planar Kinetics of a Rigid Body: Force and Acceleration 395 Chapter Objectives 395 17.1 Moment of Inertia 395 17.2 Planar Kinetic Equations of Motion 409 17.3 Equations of Motion: Translation 412 17.4 Equations of Motion: Rotation about a Fixed Axis 425 17.5 Equations of Motion: General Plane Motion 440
18 Planar Kinetics of aRigid Body: Work and Energy 455 Chapter Objectives 455 18.1 Kinetic Energy 455 18.2 The Work of a Force 458 18.3 The Work of a Couple 460 18.4 Principle of Work and Energy 462 18.5 Conservation of Energy 477
19 Planar Kinetics of a RigidBody: Impulse and Momentum 495 Chapter Objectives 495 19.1 Linear and Angular Momentum 495 19.2 Principle of Impulse and Momentum 501 19.3 Conservation of Momentum 517 *19.4 Eccentric Impact 521 Review 2. Planar Kinematics and Kinetics of a Rigid Body 534
20 ThreeDimensional Kinematics of a Rigid Body 549 Chapter Objectives 549 20.1 Rotation About a Fixed Point 549 *20.2 The Time Derivative of a Vector Measured from Either a Fixed or TranslatingRotating System 552 20.3 General Motion 557 *20.4 RelativeMotion Analysis Using Translating and Rotating Axes 566
21 ThreeDimensional Kinetics of a Rigid Body 579 Chapter Objectives 579 *21.1 Moments and Products of Inertia 579 21.2 Angular Momentum 589 21.3 Kinetic Energy 592 *21.4 Equations of Motion 600 *21.5 Gyroscopic Motion 614 21.6 TorqueFree Motion 620 CONTENTS X I I I
22 Vibrations 631 Chapter Objectives 631 *22.1 Undamped Free Vibration 631 *22.2 Energy Methods 645 *22.3 Undamped Forced Vibration 651 *22.4 Viscous Damped Free Vibration 655 *22.5 Viscous Damped Forced Vibration 658 *22.6 Electrical Circuit Analogs 661
Appendix A. Mathematical Expressions 670 B. Vector Analysis 672 C. The Chain Rule 677 Fundamental Problems Partial Solutions and Answers 679 Answers to Selected Problems 000 Index 000
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