STATICS STUDY PACK
C HA PT E R R EV I EW S , F R E E - B O DY D IA G RA M W O R K B O O K , C O M PA N I O N W E B S IT E
ENGINEERING MECHANICS
STATICS
THIRTEENTH EDITION
R. C. HIBBELER
Upper Saddle River Boston Columbus San Francisco New York
Indianapolis London Toronto Sydney Singapore Tokyo Montreal Dubai
Madrid Hong Kong Mexico City Munich Paris Amsterdam Cape Town
, Vice President and Editorial Director, ECS: Marcia Horton
Acquisitions Editor: Norrin Dias
Editorial Assistant: Sandra Rodriguez
Managing Editor: Scott Disanno
Art Director, Interior and Cover Designer: Kenny Beck
Art Editor: Gregory Dulles
Media Editor: Daniel Sandin
Operations Specialist: Lisa McDowell
Senior Marketing Manager: Tim Galligan
Marketing Assistant: Jon Bryant
About the Cover: Outdoor shot of electric train/© Nick M. Do / iStockphoto.com
© 2013 by R.C. Hibbeler
Published by Pearson Prentice Hall
Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved. No part of this book may be reproduced or transmitted in any form or by any
means, without permission in writing from the publisher.
Pearson Prentice Hall™ is a trademark of Pearson Education, Inc.
The author and publisher of this book have used their best efforts in preparing this book. These efforts
include the development, research, and testing of the theories and programs to determine their
effectiveness. The author and publisher shall not be liable in any event for incidental or consequential
damages with, or arising out of, the furnishing, performance, or use of these programs.
10 9 8 7 6 5 4 3 2 1
ISBN-10: 0-13-291556-1
ISBN-13: 978-0-13-291556-4
00_15545_fm_pi-xxiv.indd iv 12/19/11 5:55 PM
, Contents
What’s in This Package ix
Preface xi
Section-by-Section, Chapter-by-Chapter Summaries
䉴 Part I with Review Questions and Answers 1
1 General Principles 3
Main Goals of this Chapter 3
1.1 Mechanics 3
1.2 Fundamental Concepts 3
1.3 Units of Measurement 4
1.4 The International System of Units 6
1.5 Numerical Calculations 6
1.6 General Procedure for Analysis 6
Helpful Tips and Suggestions 7
Review Questions 7
2 Force Vectors 8
Main Goals of this Chapter 8
2.1 Scalars and Vectors 8
2.2 Vector Operations 8
2.3 Vector Addition of Forces 10
2.4 Addition of a System of Coplanar Forces 10
2.5 Cartesian Vectors 11
2.6 Addition and Subtraction of Cartesian Vectors 12
2.7 Position Vectors 12
2.8 Force Vector Directed Along a Line 13
2.9 Dot Product 13
Helpful Tips and Suggestions 13
Review Questions 14
v
, vi Contents
3 Equilibrium of a Particle 15
Main Goals of this Chapter 15
3.1 Condition for the Equilibrium of a Particle 15
3.2 The Free-Body Diagram 15
3.3 Coplanar Force Systems 16
3.4 Three-Dimensional Force Systems 16
Helpful Tips and Suggestions 17
Review Questions 17
4 Force System Resultants 18
Main Goals of this Chapter 18
4.1 Moment of a Force—Scalar Formulation 18
4.2 Cross Product 19
4.3 Moment of a Force—Vector Formulation 20
4.4 Principle of Moments 21
4.5 Moment of a Force About a Specified Axis 21
4.6 Moment of a Couple 22
4.7 Simplification of a Force and Couple System 22
4.8 Further Simplification of a Force and Couple System 24
4.9 Reduction of a Simple Distributed Loading 24
Helpful Tips and Suggestions 24
Review Questions 24
5 Equilibrium of a Rigid Body 26
Main Goals of this Chapter 26
5.1 Conditions for Rigid-Body Equilibrium 26
5.2 Free-Body Diagrams 26
5.3 Equations of Equilibrium 27
5.4 Two- and Three- Force Members 28
5.5 Free-Body Diagrams 28
5.6 Equations of Equilibrium 29
5.7 Constraints and Statical Determinacy 29
Helpful Tips and Suggestions 29
Review Questions 30
6 Structural Analysis 31
Main Goals of this Chapter 31
6.1 Simple Trusses 31
6.2 The Method of Joints 32
6.3 Zero Force Members 32
6.4 The Method of Sections 32
6.5 Space Trusses 33
6.6 Frames and Machines 34
Helpful Tips and Suggestions 34
Review Questions 35
7 Internal Forces 36
Main Goals of this Chapter 36
7.1 Internal Forces Developed in Structural Members 36
7.2 Shear and Moment Equations and Diagrams 37
C HA PT E R R EV I EW S , F R E E - B O DY D IA G RA M W O R K B O O K , C O M PA N I O N W E B S IT E
ENGINEERING MECHANICS
STATICS
THIRTEENTH EDITION
R. C. HIBBELER
Upper Saddle River Boston Columbus San Francisco New York
Indianapolis London Toronto Sydney Singapore Tokyo Montreal Dubai
Madrid Hong Kong Mexico City Munich Paris Amsterdam Cape Town
, Vice President and Editorial Director, ECS: Marcia Horton
Acquisitions Editor: Norrin Dias
Editorial Assistant: Sandra Rodriguez
Managing Editor: Scott Disanno
Art Director, Interior and Cover Designer: Kenny Beck
Art Editor: Gregory Dulles
Media Editor: Daniel Sandin
Operations Specialist: Lisa McDowell
Senior Marketing Manager: Tim Galligan
Marketing Assistant: Jon Bryant
About the Cover: Outdoor shot of electric train/© Nick M. Do / iStockphoto.com
© 2013 by R.C. Hibbeler
Published by Pearson Prentice Hall
Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved. No part of this book may be reproduced or transmitted in any form or by any
means, without permission in writing from the publisher.
Pearson Prentice Hall™ is a trademark of Pearson Education, Inc.
The author and publisher of this book have used their best efforts in preparing this book. These efforts
include the development, research, and testing of the theories and programs to determine their
effectiveness. The author and publisher shall not be liable in any event for incidental or consequential
damages with, or arising out of, the furnishing, performance, or use of these programs.
10 9 8 7 6 5 4 3 2 1
ISBN-10: 0-13-291556-1
ISBN-13: 978-0-13-291556-4
00_15545_fm_pi-xxiv.indd iv 12/19/11 5:55 PM
, Contents
What’s in This Package ix
Preface xi
Section-by-Section, Chapter-by-Chapter Summaries
䉴 Part I with Review Questions and Answers 1
1 General Principles 3
Main Goals of this Chapter 3
1.1 Mechanics 3
1.2 Fundamental Concepts 3
1.3 Units of Measurement 4
1.4 The International System of Units 6
1.5 Numerical Calculations 6
1.6 General Procedure for Analysis 6
Helpful Tips and Suggestions 7
Review Questions 7
2 Force Vectors 8
Main Goals of this Chapter 8
2.1 Scalars and Vectors 8
2.2 Vector Operations 8
2.3 Vector Addition of Forces 10
2.4 Addition of a System of Coplanar Forces 10
2.5 Cartesian Vectors 11
2.6 Addition and Subtraction of Cartesian Vectors 12
2.7 Position Vectors 12
2.8 Force Vector Directed Along a Line 13
2.9 Dot Product 13
Helpful Tips and Suggestions 13
Review Questions 14
v
, vi Contents
3 Equilibrium of a Particle 15
Main Goals of this Chapter 15
3.1 Condition for the Equilibrium of a Particle 15
3.2 The Free-Body Diagram 15
3.3 Coplanar Force Systems 16
3.4 Three-Dimensional Force Systems 16
Helpful Tips and Suggestions 17
Review Questions 17
4 Force System Resultants 18
Main Goals of this Chapter 18
4.1 Moment of a Force—Scalar Formulation 18
4.2 Cross Product 19
4.3 Moment of a Force—Vector Formulation 20
4.4 Principle of Moments 21
4.5 Moment of a Force About a Specified Axis 21
4.6 Moment of a Couple 22
4.7 Simplification of a Force and Couple System 22
4.8 Further Simplification of a Force and Couple System 24
4.9 Reduction of a Simple Distributed Loading 24
Helpful Tips and Suggestions 24
Review Questions 24
5 Equilibrium of a Rigid Body 26
Main Goals of this Chapter 26
5.1 Conditions for Rigid-Body Equilibrium 26
5.2 Free-Body Diagrams 26
5.3 Equations of Equilibrium 27
5.4 Two- and Three- Force Members 28
5.5 Free-Body Diagrams 28
5.6 Equations of Equilibrium 29
5.7 Constraints and Statical Determinacy 29
Helpful Tips and Suggestions 29
Review Questions 30
6 Structural Analysis 31
Main Goals of this Chapter 31
6.1 Simple Trusses 31
6.2 The Method of Joints 32
6.3 Zero Force Members 32
6.4 The Method of Sections 32
6.5 Space Trusses 33
6.6 Frames and Machines 34
Helpful Tips and Suggestions 34
Review Questions 35
7 Internal Forces 36
Main Goals of this Chapter 36
7.1 Internal Forces Developed in Structural Members 36
7.2 Shear and Moment Equations and Diagrams 37
