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**A Proven Approach to Conceptual Understanding and Problem-solving Skills**

** Engineering Mechanics: Statics & Dynamics** excels in providing a clear and thorough presentation of the theory and application of engineering mechanics.

**empowers students to succeed by drawing upon Hibbeler’s everyday classroom experience and his knowledge of how students learn. This text is shaped by the comments and suggestions of hundreds of reviewers in the teaching profession, as well as many of the author’s students.**

*Engineering Mechanics*

The **Fourteenth Edition** includes new Preliminary Problems, which are intended to help students develop conceptual understanding and build problem-solving skills. The text features a large variety of problems from a broad range of engineering disciplines, stressing practical, realistic situations encountered in professional practice, and having varying levels of difficulty.

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**013411700X / 9780134117003** **Engineering Mechanics: Statics & Dynamics plus MasteringEngineering with Pearson eText -- Access Card Package, 14/e**

**Package consists of:**

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** **

## Table of contents

**1 General Principles 3 **

**Chapter Objectives 3**

**1.1 Mechanics 3**

**1.2 Fundamental Concepts 4**

**1.3 Units of Measurement 7**

**1.4 T he 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 C artesian 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 Free-Body Diagram 86**

**3.3 Coplanar Force Systems 89**

**3.4 Three-Dimensional 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 Rigid-Body Equilibrium 199**

**5.2 Free-Body Diagrams 201**

**5.3 Equations of Equilibrium 214**

**5.4 Two- and Three-Force Members 224**

**5.5 Free-Body 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 Zero-Force Members 272**

**6.4 The Method of Sections 280**

**6.5 Space Trusses 290**

**6.6 Frames and Machines 294**

**7 Internal Forces 331**

**Chapter Objectives 331**

**7.1 Internal Loadings Developed in Structural Members 331**

**7.2 Shear and Moment Equations and Diagrams 347**

**7.3 Relations between Distributed Load, Shear, and Moment 356**

**7.4 Cables 367**

**8 Friction 389**

**Chapter Objectives 389**

**8.1 Characteristics of Dry Friction 389**

**8.2 Problems Involving Dry Friction 394**

**8.3 Wedges 416**

**8.4 Frictional Forces on Screws 418**

**8.5 Frictional Forces on Flat Belts 425**

**8.6 Frictional Forces on Collar Bearings, Pivot Bearings, and Disks 433**

**8.7 Frictional Forces on Journal Bearings 436**

**8.8 Rolling Resistance 438**

**9 Center of Gravity and Centroid 451**

**Chapter Objectives 451**

**9.1 Center of Gravity, Center of Mass, and the Centroid of a Body 451**

**9.2 Composite Bodies 474**

**9.3 Theorems of Pappus and Guldinus 488**

**9.4 Resultant of a General Distributed Loading 497**

**9.5 Fluid Pressure 498**

**10 Moments of Inertia 515 **

**Chapter Objectives 515**

**10.1 Definition of Moments of Inertia for Areas 515**

**10.2 Parallel-Axis Theorem for an Area 516**

**10.3 Radius of Gyration of an Area 517**

**10.4 Moments of Inertia for Composite Areas 526**

**10.5 Product of Inertia for an Area 534**

**10.6 Moments of Inertia for an Area about Inclined Axes 538**

**10.7 Mohr’s Circle for Moments of Inertia 541**

**10.8 Mass Moment of Inertia 549**

**11 Virtual Work 567**

**Chapter Objectives 567**

**11.1 Definition of Work 567**

**11.2 Principle of Virtual Work 569**

**11.3 Principle of Virtual Work for a System of Connected Rigid Bodies 571**

**11.4 Conservative Forces 583**

**11.5 Potential Energy 584**

**11.6 Potential-Energy Criterion for Equilibrium 586**

**11.7 Stability of Equilibrium Configuration 587 Appendix**

**Contents**

**12 Kinematics of a Particle **

**12.1 Introduction **

**12.2 Rectilinear Kinematics: Continuous Motion **

**12.3 Rectilinear Kinematics: Erratic Motion **

**12.4 General Curvilinear Motion **

**12.5 Curvilinear Motion: Rectangular Components **

**12.6 Motion of a Projectile **

**12.7 Curvilinear Motion: Normal and Tangential Components **

**12.8 Curvilinear Motion: Cylindrical Components **

**12.9 Absolute Dependent Motion Analysis of Two Particles **

**12.10 Relative-Motion of Two Particles Using Translating Axes **

**13 Kinetics of a Particle: Force and**

**Acceleration **

**13.1 Newton’s Second Law of Motion **

**13.2 The Equation of Motion **

**13.3 Equation of Motion for a System**

**of Particles **

**13.4 Equations of Motion: Rectangular Coordinates **

**13.5 Equations of Motion: Normal**

**and Tangential Coordinates **

**13.6 Equations of Motion: Cylindrical Coordinates **

***13.7 Central-Force Motion and Space Mechanics **

**14 Kinetics of a Particle: Work and**

**Energy **

**14.1 The Work of a Force **

**14.2 Principle of Work and Energy **

**14.3 Principle of Work and Energy for a System of Particles **

**14.4 Power and Efficiency **

**14.5 Conservative Forces and Potential Energy **

**14.6 Conservation of Energy **

**15 Kinetics of a Particle: Impulse**

**and Momentum **

**15.1 Principle of Linear Impulse and Momentum **

**15.2 Principle of Linear Impulse and Momentum for a System of Particles**

**15.3 Conservation of Linear Momentum for a System of Particles **

**15.4 Impact **

**15.5 Angular Momentum **

**15.6 Relation Between Moment of a Force and Angular Momentum **

**15.7 Principle of Angular Impulse and Momentum **

**15.8 Steady Flow of a Fluid Stream **

***15.9 Propulsion with Variable Mass **

**16 Planar Kinematics of a Rigid**

**Body **

**16.1 Planar Rigid-Body Motion **

**16.2 Translation **

**16.3 Rotation about a Fixed Axis **

**16.4 Absolute Motion Analysis **

**16.5 Relative-Motion Analysis: Velocity **

**16.6 Instantaneous Center of Zero Velocity **

**16.7 Relative-Motion Analysis: Acceleration **

**16.8 Relative-Motion Analysis using Rotating Axes **

**17 Planar Kinetics of a Rigid Body:**

**Force and Acceleration **

**17.1 Mass Moment of Inertia **

**17.2 Planar Kinetic Equations of Motion **

**17.3 Equations of Motion: Translation **

**17.4 Equations of Motion: Rotation about a Fixed Axis **

**17.5 Equations of Motion: General Plane Motion **

**18 Planar Kinetics of a Rigid Body:**

**Work and Energy **

**18.1 Kinetic Energy **

**18.2 The Work of a Force **

**18.3 The Work of a Couple Moment **

**18.4 Principle of Work and Energy **

**18.5 Conservation of Energy **

**19 Planar Kinetics of a Rigid Body:**

**Impulse and Momentum **

**19.1 Linear and Angular Momentum **

**19.2 Principle of Impulse and Momentum **

**19.3 Conservation of Momentum **

***19.4 Eccentric Impact **

**20 Three-Dimensional Kinematics of**

**a Rigid Body **

**20.1 Rotation About a Fixed Point **

***20.2 The Time Derivative of a Vector Measured from Either a Fixed**

**or Translating-Rotating System **

**20.3 General Motion **

***20.4 Relative-Motion Analysis Using Translating and Rotating Axes **

**21 Three-Dimensional Kinetics of a**

**Rigid Body **

***21.1 Moments and Products of Inertia **

**21.2 Angular Momentum **

**21.3 Kinetic Energy **

***21.4 Equations of Motion **

***21.5 Gyroscopic Motion **

**21.6 Torque-Free Motion **

**22 Vibrations **

***22.1 Undamped Free Vibration **

***22.2 Energy Methods **

***22.3 Undamped Forced Vibration **

***22.4 Viscous Damped Free Vibration **

***22.5 Viscous Damped Forced Vibration **

***22.6 Electrical Circuit Analogs **

**A Mathematical Expressions **

**B Vector Analysis **

**C The Chain Rule **

**Fundamental Problems Partial**

**Solutions and Answers**

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