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Stay on current Cengage siteThe third edition of Engineering Mechanics: Statics written by nationally regarded authors Andrew Pytel and Jaan Kiusalaas, provides students with solid coverage of material without the overload of extraneous detail. The extensive teaching experience of the authorship team provides first-hand knowledge of the learning skill levels of today’s student which is reflected in the text through the pedagogy and the tying together of real world problems and examples with the fundamentals of Engineering Mechanics. Designed to teach students how to effectively analyze problems before plugging numbers into formulas, students benefit tremendously as they encounter real life problems that may not always fit into standard formulas. This book was designed with a rich, concise, two-color presentation and has a stand alone Study Guide which includes further problems, examples, and case studies.

1. Introduction to Statics

Introduction / Newtonian Mechanics / Fundamental Properties of Vectors / Representation of Vectors Using Rectangular Components / Vector Multiplication

2. Basic Operations with Force Systems

Introduction / Equivalence of Vectors / Force / Reduction of Concurrent Force Systems / Moment of Force About a Point / Moment of Force About an Axis / Couples / Changing the Line of Action of a Force

3. Resultants of Force Systems

Introduction / Reducing a Force System to a Force and a Couple / Definition of Resultant / Resultants of Coplanar Force Systems / Resultants of Noncoplanar Force Systems / Introduction to Distributed Normal Loads

4. Coplanar Equilibrium Analysis

Introduction / Definition of Equilibrium

Part A: Analysis of Single Bodies - Free-Body Diagrams of a Body / Coplanar Equilibrium Equations / Writing and Solving Equilibrium Equations / Equilibrium Analysis for Single-Body Problems

Part B: Analysis of Composite Bodies - Free-Body Diagrams Involving Internal Reactions / Equilibrium Analysis of Composite Bodies / Special Cases: Two-Force and Three-Force Bodies

Part C: Analysis of Plane Trusses - Description of a Truss / Method of Joints / Method of Sections

5. Non-Coplanar Equilibrium

Introduction / Definition of Equilibrium / Free-Body Diagrams / Independent Equilibrium Equations / Improper Constraints / Writing and Solving Equilibrium Equations / Equilibrium Analysis

6. Beams and Cables

Introduction

Part A: Beams - Internal Force Systems / Analysis of Internal Forces / Area Method for Drawing V- and M- Diagrams

Part B: Cables - Cables Under Distributed Loads / Cables Under Concentric Loads

7. Dry Friction

Introduction / Coulomb's Theory of Dry Friction / Problem Classification and Analysis / Impending Tipping / Angle of Friction; Wedges and Screws / Ropes and Flat Belts / Disk Friction

8. Centroids and Distributed Loads

Introduction / Centroids of Plane Areas and Curves / Centroids of Curved Surfaces, Volumes, and Space Curves / Theorems of Pappus-Guldinus / Center of Gravity and Center of Mass / Distributed Normal Loads

9. Moments and Products of Inertia of Areas

Introduction / Moments of Inertia of Areas and Polar Moments of Inertia / Products of Inertia of Areas / Transformation Equations and Principal Moments of Inertia of Areas / Mohr's Circle for Moments and Products of Inertia

10. Virtual Work and Potential Energy

Introduction / Planar Kinematics of a Rigid Body / Virtual Work / Method of Virtual Work / Instant Center of Rotation / Equilibrium and Stability of Conservative Systems /

Appendix A. Numerical Integration - Introduction / Trapezoidal Rule / Simpson's Rule

Appendix B. Finding Roots of Functions - Introduction / Newton's Method / Secant Method

Appendix C. Densities of Common Materials

Answers

Index

- New “Review of Equations” sections have been added to the end of each chapter to assist students as they work the textbook problems.
- Includes new content on rolling resistance and a revised section on virtual displacements
- Section on beam analysis has been completely rewritten to more clearly focus upon methods and terminology used in the engineering design of beams.

- The early introduction of the relationship between force and acceleration used in this pedagogy allows students to realize much sooner how Newton’s laws of motion can be used to analyze problems.
- Where appropriate, sample problems are solved using both scalar and vector notations allowing for increased problem solving skills.
- Equilibrium analysis of problems is uniquely taught using three steps: (1) how to draw free-body diagrams; (2) how to analyze problems using given free-body diagrams; and (3) how to perform complete problem analyses by combining the previous two steps.
- The solutions of sample problems that require equilibrium analyses are discussed using a unique and orderly technique using three general subdivisions: (i) Method of Analysis (ii) Mathematical Details (iii) Other Methods of Analysis
- The equilibrium analysis of a single body and connected bodies (often referred to as “frames and machines”) are discussed in detail in a single comprehensive chapter.
- Sample problems requiring numerical integration are included.

**Andrew Pytel**

The Pennsylvania State University

Dr. Andrew Pytel received his Bachelor of Science Degree in Electrical Engineering, his M.S. in Engineering Mechanics, and his Ph.D in Engineering Mechanics from The Pennsylvania State University. In addition to his career at Penn State University, Dr. Pytel served as an Assistant Professor at the Rochester Institute of Technology in the Department of Mechanical Engineering and as an Assistant Professor at Northeastern University in Boston. He became a full Professor at The Penn State University in 1984 and a Professor Emeritus in 1995. Throughout his career, Dr. Pytel has taught numerous courses and received many honors and awards. He has participated extensively with the American Society for Engineering Education and was named a Fellow of the ASEE in 2008.

**Jaan Kiusalaas**

The Pennsylvania State University

Dr. Jaan Kiusalaas is Professor Emeritus, Engineering Science and Mechanics from The Pennsylvania State University. Dr. Kiusalaas received his Honors BS in Civil Engineering from the University of Adelaide, Australia, his M.S. in Civil Engineering and his Ph.D. in Engineering Mechanics from Northwestern University. Dr. Kiusalaas has been a professor at The Pennsylvania State University since 1963. He is also a Senior Postdoctoral Fellow of NASA's Marshall Space Flight Centre. Dr. Kiusalaas' teaching experience includes addressing topics as Numerical Methods (including finite element and boundary element methods) and Engineering Mechanics, ranging from introductory courses (statics and dynamics) to graduate level courses.

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