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Introduction | |

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About This Book | |

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Conventions Used in This Book | |

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What You're Not to Read | |

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Foolish Assumptions | |

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How This Book Is Organized | |

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Icons Used in This Book | |

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Where to Go from Here | |

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Putting Physics into Motion | |

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Using Physics to Understand Your World | |

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What Physics Is All About | |

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Observing Objects in Motion | |

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Absorbing the Energy Around You | |

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Feeling Hot but Not Bothered | |

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Playing with Charges and Magnets | |

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Preparing for the Wild, Wild Physics Coming Up | |

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Understanding Physics Fundamentals | |

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Don't Be Scared, It's Only Physics | |

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Measuring the World Around You and Making Predictions | |

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Don't mix and match: Keeping physical units straight | |

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From meters to inches and back again: Converting between units | |

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Eliminating Some Zeros: Using Scientific Notation | |

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Checking the Precision of Measurements | |

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Knowing which digits are significant | |

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Estimating accuracy | |

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Arming Yourself with Basic Algebra | |

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Tackling a Little Trig | |

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Exploring the Need for Speed | |

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Dissecting Displacement | |

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Examining axes | |

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Measuring speed | |

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Speed Specifics: What Is Speed, Anyway? | |

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Reading the speedometer: Instantaneous speed | |

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Staying steady: Uniform speed | |

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Swerving back and forth: Nonuniform motion | |

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Busting out the stopwatch: Average speed | |

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Pitting average speed versus uniform motion | |

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Speeding Up (or Down): Acceleration | |

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Defining acceleration | |

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Determining the units of acceleration | |

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Positive and negative acceleration | |

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Average and instantaneous acceleration | |

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Uniform and nonuniform acceleration | |

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Relating Acceleration, Time, and Displacement | |

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Not-so-distant relations | |

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Equating more speedy scenarios | |

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Linking Speed, Acceleration, and Displacement | |

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Following Directions: Which Way Are You Going? | |

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Conquering Vectors | |

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Asking for directions: Vector basics | |

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Putting directions together: Adding vectors | |

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Taking distance apart: Subtracting vectors | |

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Waxing Numerical on Vectors | |

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Breaking Up Vectors into Components | |

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Finding vector components given magnitudes and angles | |

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Finding magnitudes and angles given vector components | |

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Unmasking the Identities of Vectors | |

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Displacement is a vector | |

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Velocity is another vector | |

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Acceleration: Yep, another vector | |

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Sliding Along on Gravity's Rainbow: A Velocity Exercise | |

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May the Forces of Physics Be with You | |

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When Push Comes to Shove: Force | |

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Forcing the Issue | |

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For His First Trick, Newton's First Law of Motion | |

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Getting it going: Inertia and mass | |

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Measuring mass | |

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Ladies and Gentlemen, Newton's Second Law of Motion | |

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Naming units of force | |

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Gathering net forces | |

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Newton's Grand Finale: The Third Law of Motion | |

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Tension shouldn't cause stiff necks: Friction in Newton's third law | |

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Analyzing angles and force in Newton's third law | |

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Finding equilibrium | |

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What a Drag: Inclined Planes and Friction | |

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Don't Let It Get You Down: Dealing with Gravity | |

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Leaning Vertical: An Inclined Plane | |

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Figuring out angles the easy way | |

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Playing with acceleration | |

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Getting Sticky with Friction | |

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Calculating friction and the normal force | |

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Conquering the coefficient of friction | |

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Understanding static and kinetic friction | |

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Handling uphill friction | |

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Determining How Gravity Affects Airborne Objects | |

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Going up: Maximum height | |

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Floating on air: Hang time | |

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Going down: Factoring the total time | |

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Firing an object at an angle | |

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Circling around Circular Motions and Orbits | |

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Staying the Course: Uniform Circular Motion | |

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Changing Direction: Centripetal Acceleration | |

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Controlling velocity with centripetal acceleration | |

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Finding the magnitude of the centripetal acceleration | |

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Pulling Toward the Center: Centripetal Force | |

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Negotiating Curves and Banks: Centripetal Force through Turns | |

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Getting Angular: Displacement, Velocity, and Acceleration | |

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Dropping the Apple: Newton's Law of Gravitation | |

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Deriving the force of gravity on the earth's surface | |

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Using the law of gravitation to examine circular orbits | |

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Looping the Loop: Vertical Circular Motion | |

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Manifesting the Energy to Work | |

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Getting Some Work out of Physics | |

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Work: It Isn't What You Think | |

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Working on measurement systems | |

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Pushing your weight | |

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Taking a drag | |

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Considering Negative Work | |

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Getting the Payoff: Kinetic Energy | |

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Breaking down the kinetic energy equation | |

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Putting the kinetic energy equation to use | |

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Calculating kinetic energy by using net force | |

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Energy in the Bank: Potential Energy | |

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Working against gravity | |

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Converting potential energy into kinetic energy | |

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Choose Your Path: Conservative versus Nonconservative Forces | |

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Up, Down, and All Around: The Conservation of Mechanical Energy | |

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Determining final velocity with mechanical energy | |

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Determining final height with mechanical energy | |

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Powering Up: The Rate of Doing Work | |

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Common units of power | |

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Alternate calculations of power | |

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Putting Objects in Motion: Momentum and Impulse | |

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Looking at the Impact of Impulse | |

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Gathering Momentum | |

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The Impulse-Momentum Theorem: Relating Impulse and Momentum | |

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Shooting pool: Finding impulse and momentum | |

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Singing in the rain: An impulsive activity | |

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When Objects Go Bonk: Conserving Momentum | |

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Measuring velocity with the conservation of momentum | |

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Measuring firing velocity with the conservation of momentum | |

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When Worlds (or Cars) Collide: Elastic and Inelastic Collisions | |

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When objects bounce: Elastic collisions | |

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When objects don't bounce: Inelastic collisions | |

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Colliding along a line | |

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Colliding in two dimensions | |

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Winding Up with Angular Kinetics | |

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Going from Linear to Rotational Motion | |

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Understanding Tangential Motion | |

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Finding tangential speed | |

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Finding tangential acceleration | |

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Finding centripetal acceleration | |

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Applying Vectors to Rotation | |

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Calculating angular velocity | |

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Figuring angular acceleration | |

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Twisting and Shouting: Torque | |

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Mapping out the torque equation | |

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Understanding lever arms | |

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Figuring out the torque generated | |

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Recognizing that torque is a vector | |

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No Wobbling Allowed: Rotational Equilibrium | |

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Hanging a flag: A rotational equilibrium problem | |

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Ladder safety: Introducing friction into rotational equilibrium | |

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Round and Round with Rotational Dynamics | |

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Rolling Up Newton's Second Law into Angular Motion | |

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Converting tangential acceleration to angular acceleration | |

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Factoring in the moment of inertia | |

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Examining Moments of Inertia | |

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CD players and torque: An inertia example | |

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Angular acceleration and torque: Another inertia example | |

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Wrapping Your Head around Rotational Work and Kinetic Energy | |

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Doing some rotational work | |

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Tracking down rotational kinetic energy | |

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Measuring rotational kinetic energy on a ramp | |

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Can't Stop This: Angular Momentum | |

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Reviewing the conservation of angular momentum | |

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Satellite orbits: A conservation of angular momentum example | |

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Springs-n-Things: Simple Harmonic Motion | |

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Hooking Up with Hooke's Law | |

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Keeping springs stretchy | |

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Deducing that Hooke's law is a restoring force | |

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Moving with Simple Harmonic Motion | |

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Examining basic horizontal and vertical simple harmonic motion | |

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Diving deeper into simple harmonic motion | |

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Finding the angular frequency of a mass on a spring | |

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Factoring Energy into Simple Harmonic Motion | |

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Swinging with Pendulums | |

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Laying Down the Laws of Thermodynamics | |

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Turning Up the Heat with Thermodynamics | |

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Getting into Hot Water | |

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When the thermometer says Fahrenheit | |

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When the thermometer says Celsius | |

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When the thermometer says Kelvin | |

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The Heat Is On: Linear Expansion | |

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Deconstructing linear expansion | |

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Workin' on the railroad: A linear expansion example | |

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The Heat Continues On: Volume Expansion | |

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Going with the Flow (of Heat) | |

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Changing Phases: When Temperatures Don't Change | |

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Breaking the ice with phase changes | |

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Understanding latent heat | |

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Here, Take My Coat: Heat Transfer in Solids and Gases | |

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Boiling Water: Convection | |

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Too Hot to Handle: Conduction | |

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Examining the properties that affect conduction to find the conduction equation | |

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Applying the heat-transferred-by-conduction equation | |

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Emitting and Absorbing Light: Radiation | |

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You can't see radiation, but it's there | |

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Radiation and blackbodies | |

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Crunching Avogadro's Number | |

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Forging the Ideal Gas Law | |

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Gas pressure: An ideal gas law example | |

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Boyle's Law and Charles' Law: Alternative expressions of the ideal gas law | |

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Tracking Ideal Gas Molecules | |

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Predicting air molecule speed | |

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Calculating kinetic energy in an ideal gas | |

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When Heat and Work Collide: The Laws of Thermodynamics | |

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Gaining Thermal Equilibrium: The Zeroth Law of Thermodynamics | |

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Conserving Heat and Energy: The First Law of Thermodynamics | |

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Calculating conservation | |

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Examining isobaric, isochoric, isothermal, and adiabatic processes, oh my! | |

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Figuring out specific heat capacities | |

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When Heat Flows: The Second Law of Thermodynamics | |

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Putting heat to work: Heat engines | |

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Evaluating heat's work: Heat engine efficiency | |

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Carnot says you can't have it all | |

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Going Cold: The Third (and Absolute Last) Law of Thermodynamics | |

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Getting a Charge out of Electricity and Magnetism | |

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Zapping Away with Static Electricity | |

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Plus and Minus: Electron and Proton Charges | |

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Push and Pull: Electric Forces | |

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Charging it to Coulomb's law | |

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Bringing objects together | |

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Calculating the speed of electrons | |

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Looking at forces between multiple charges | |

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Influence at a Distance: Electric Fields | |

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Coming from all directions: Electric fields from point charges | |

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Charging nice and steady: Electric fields in parallel plate capacitors | |

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Electric Potential: Cranking Up the Voltage | |

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Calculating electric potential energy | |

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Realizing the potential in voltage | |

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Discovering that electric potential is conserved | |

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Finding the electric potential of point charges | |

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Getting fully charged with capacitance | |

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Giving Electrons a Push with Circuits | |

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Electrons on the March: Current | |

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Defining current | |

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Calculating the current in batteries | |

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Giving You Some Resistance: Ohm's Law | |

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Determining current flow | |

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Examining resistivity | |

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Powering Up: Wattage | |

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Flowing from One to the Other: Series Circuits | |

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Splitting the Current: Parallel Circuits | |

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Looping Together Electricity with Kirchoff's Rules | |

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Implementing the loop rule | |

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Using multiple-loop circuits | |

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Conquering Capacitors in Parallel and Series Circuits | |

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Capacitors in parallel circuits | |

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Capacitors in series circuits | |

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Putting Together Resistors and Capacitors: RC Circuits | |

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Magnetism: More than Attraction | |

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Finding the Source of Attraction | |

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Forcing a Moving Charge | |

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Figuring the Quantitative Size of Magnetic Forces | |

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Moving in Orbits: Charged Particles in Magnetic Fields | |

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Magnetic fields do no work | |

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... but they still affect moving charged particles | |

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Pushing and Pulling Currents | |

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Forces on currents | |

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Torques on currents | |

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Identifying the Magnetic Field from a Wire | |

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Centering on Current Loops | |

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Achieving a Uniform Magnetic Field with Solenoids | |

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Keeping the Current Going with Voltage | |

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Inducing EMF (Electromagnetic Frequency) | |

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Moving a conductor in a magnetic field to cause voltage | |

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Inducing voltage over a certain area | |

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Factoring In the Flux with Faraday's Law | |

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Getting the Signs Right with Lenz's Law | |

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Figuring out Inductance | |

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Examining Alternating Current Circuits | |

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Picturing alternating voltage | |

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Unearthing root mean square current and voltage | |

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Leading with capacitors | |

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Lagging with inductors | |

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Handling the Triple Threat: RCL Circuits | |

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Shedding Some Light on Mirrors and Lenses | |

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All about Mirrors (srorriM tuoba llA) | |

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When Light Gets Bendy | |

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Refracting light with Snell's Law | |

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Examining water at apparent depths | |

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All Mirrors and No Smoke | |

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Expanding with concave mirrors | |

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Contracting with convex mirrors | |

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Seeing Clearly with Lenses | |

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Expanding with converging lenses | |

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Contracting with diverging lenses | |

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The Part of Tens | |

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Ten Amazing Insights on Relativity | |

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Nature Doesn't Play Favorites | |

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The Speed of Light Is Constant, No Matter How Fast You Go | |

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Time Dilates at High Speeds | |

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Space Travel Ages You Less | |

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Length Contracts at High Speeds | |

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E = mc[superscript 2]: The Equivalence of Matter and Energy | |

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Matter Plus Antimatter Equals Boom | |

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The Sun Is Radiating Away Mass | |

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The Speed of Light Is the Ultimate Speed | |

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Newton Is Still Right | |

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Ten Wild Physics Theories | |

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You Can Measure a Smallest Distance | |

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There Might Be a Smallest Time | |

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Heisenberg Says You Can't Be Certain | |

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Black Holes Don't Let Light Out | |

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Gravity Curves Space | |

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Matter and Antimatter Destroy Each Other | |

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Supernovas Are the Most Powerful Explosions | |

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The Universe Starts with the Big Bang and Ends with the Gnab Gib | |

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Microwave Ovens Are Hot Physics | |

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Physicists May Not Have Physical Absolute Measures | |

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Glossary | |

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Index | |