Physics Workbook for DUMmIES.pdf

W o r k b o o k

F O R

D U M m I E S

‰

by Steven Holzner, PhD

P h y s i c s

Physics Workbook For Dummies ®

Published by

Wiley Publishing, Inc.

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Published by Wiley Publishing, Inc., Indianapolis, Indiana

Published simultaneously in Canada

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Library of Congress Control Number: 2007934450

ISBN: 978-0-470-16909-4

Manufactured in the United States of America

10 9 8 7 6 5 4 3 2 1

About the Author

Steven Holzner is the award-winning author of more than 100 books, including

Physics For Dummies. He did his undergraduate work in physics at Massachusetts

Institute of Technology (MIT) and got his PhD from Cornell University. He’s been

on the faculty of Cornell for ten years, teaching Physics 101 and Physics 102, as

well as on the faculty of MIT.

Dedication

To Nancy.

Author’s Acknowledgments

The book you hold in your hands is the result of many people’s work. I would

especially like to thank Tracy Boggier, Kelly Ewing, Kathy Simpson, Elizabeth Rea,

James Kovalcin, Heather Kolter, and Lynsey Osborn.

Publisher’s Acknowledgments

We’re proud of this book; please send us your comments through our Dummies online registration form located at

www.dummies.com/register/.

Some of the people who helped bring this book to market include the following:

Acquisitions, Editorial, and Media Development

Project Editor: Kelly Ewing

Acquisitions Editor: Tracy Boggier

Copy Editors: Elizabeth Rea, Kathy Simpson

General Reviewer: James J. Kovalcin

Editorial Manager: Michelle Hacker

Editorial Supervisor: Carmen Krikorian

Editorial Assistants: Erin Calligan Mooney, Joe Niesen,

Leeann Harney, David Lutton

Cover Photos: © Getty Images/Photodisc

Cartoons: Rich Tennant (www.the5thwave.com)

Composition Services

Project Coordinators: Heather Kolter, Lynsey Osborn

Layout and Graphics: Carrie A. Cesavice, Shane

Johnson, Stephanie D. Jumper

Anniversary Logo Design: Richard Pacifico

Proofreaders: Cynthia Fields, Betty Kish

Indexer: Infodex Indexing Services, Inc.

Special Help: Kathy Simpson

Publishing and Editorial for Consumer Dummies

Diane Graves Steele, Vice President and Publisher, Consumer Dummies

Joyce Pepple, Acquisitions Director, Consumer Dummies

Kristin A. Cocks, Product Development Director, Consumer Dummies

Michael Spring, Vice President and Publisher, Travel

Kelly Regan, Editorial Director, Travel

Publishing for Technology Dummies

Andy Cummings, Vice President and Publisher, Dummies Technology/General User

Composition Services

Gerry Fahey, Vice President of Production Services

Debbie Stailey, Director of Composition Services

Contents at a Glance

Introduction.................................................................................1

Part I : Applying Physics .............................................................5

Chapter 1: Getting Started with Physics ..................................................................................................7

Chapter 2: The Big Three: Acceleration, Distance, and Time ..............................................................25

Chapter 3: Vectors: Knowing Where You’re Headed .............................................................................41

Part II: May the Forces Be with You ...........................................59

Chapter 4: Applying Force ........................................................................................................................61

Chapter 5: Working with Inclined Planes ...............................................................................................81

Chapter 6: Round and Round: Circular Motion ...................................................................................101

Part III: Being Energetic: Work ................................................121

Chapter 7: Working the Physics Way ....................................................................................................123

Chapter 8: Getting Things to Move: Momentum and Kinetic Energy ...............................................143

Chapter 9: Winding It Up: Rotational Kinematics ................................................................................161

Chapter 10: Getting Dizzy with Rotational Dynamics .........................................................................177

Chapter 11: Potential and Kinetic Energy Together: Simple Harmonic Motion ..............................195

Part IV: Obeying the Laws of Thermodynamics ..........................215

Chapter 12: You’re Getting Warm: Thermodynamics .........................................................................217

Chapter 13: Under Pressure: From Solid to Liquid to Gas .................................................................233

Chapter 14: All about Heat and Work ...................................................................................................249

Part V: Zap: Electricity and Magnetism .....................................269

Chapter 15: Static Electricity: Electrons at Rest ..................................................................................271

Chapter 16: Electrons in Motion: Circuits ............................................................................................289

Part VI: The Part of Tens ..........................................................307

Chapter 17: Ten Common Mistakes People Make When Solving Problems .....................................309

Chapter 18: Ten Top Online Physics Tutorials and Resources .........................................................313

Index.......................................................................................315

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