interactivestudenteditionAGlencoeProgramVisitthePhysicsWebsitephysicspp.comYou’llfind:ProblemoftheWeek,StandardizedTestPractice,SectionSelf-CheckQuizzes,ChapterReviewTests,OnlineStudentEdition,WebLinks,InternetPhysicsLabs,AlternateCBL™LabInstructions,VocabularyPuzzleMaker,IntheNews,TextbookUpdates,TeacherForum,TeachingToday—ProfessionalDevelopmentandmuchmore!CoverImagesEachcoverimagefeaturesamajorconcepttaughtinphysics.Therunnerandthecollidingspheresrepresentmotion.Inaddition,thespheresdemonstratetheconservationofmomentum.Firerepresentsthermodynamics—thestudyofthermalenergy—andlightning,whichiscomposedofnegativeelectriccharges,representselectricityandmagnetism.Copyright©2005byTheMcGraw-HillCompanies,Inc.Allrightsreserved.ExceptaspermittedundertheUnitedStatesCopyrightAct,nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseretrievalsystem,withoutpriorwrittenpermissionofthepublisher.ThetermCBL2isatrademarkofTexasInstruments,Inc.Sendallinquiriesto:Glencoe/McGraw-Hill8787OrionPlaceColumbus,OH43240-4027ISBN:0-07-845813-7PrintedintheUnitedStatesofAmerica.2345678910055/02710090807060504Chapter1APhysicsToolkit....................................2Chapter2RepresentingMotion...............................30Chapter3AcceleratedMotion.................................56Chapter4ForcesinOneDimension............................86Chapter5ForcesinTwoDimensions..........................118Chapter6MotioninTwoDimensions.........................146Chapter7Gravitation.......................................170Chapter8RotationalMotion.................................196Chapter9MomentumandItsConservation....................228Chapter10Energy,Work,andSimpleMachines.................256Chapter11EnergyandItsConservation........................284Chapter12ThermalEnergy...................................312Chapter13StatesofMatter..................................340Chapter14VibrationsandWaves..............................374Chapter15Sound.................