Physics Essentials for Dummies

ISBN-10: 0470618418

ISBN-13: 9780470618417

Edition: 2010

Authors: Steven Holzner

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A new series extension of the For Dummies brand, The Essentials For Dummies will appeal to the huge number of readers who seek out focused, short form consumer reference books at the $9.99 price point. Positioned for students (and parents) who just want the key concepts and a few examples without the review, ramp-up, and anecdotal content The Essentials For Dummies series is a perfect solution for exam-cramming, homework help, and reference.
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Book details

Copyright year: 2010
Publisher: John Wiley & Sons, Limited
Publication date: 5/18/2010
Binding: Paperback
Pages: 192
Size: 5.50" wide x 8.50" long x 0.43" tall
Weight: 0.440

About This Book
Conventions Used in This Book
Foolish Assumptions
Icons Used in This Book
Where to Go from Here
Viewing the World through the Lens of Physics
Figuring Out What Physics Is About
Paying Attention to Objects in Motion
Getting Energized
Moving as Fast as You Can: Special Relativity
Measuring Your World
Keeping physical units straight
Converting between units of measurement
Nixing some zeros with scientific notation
Knowing which digits are significant
Taking Vectors Step by Step
Getting a Grip on Vectors
Looking for direction and magnitude
Adding vectors
Subtracting vectors
Waxing Numerical on Vectors
Working with Vector Components
Using magnitudes and angles to find vector components
Using vector components to find magnitudes and angles
Going the Distance with Speed and Acceleration
From Here to There: Dissecting Displacement
Examining axes
Measuring speed
The Fast Track to Understanding Speed and Velocity
How fast am I right now? Instantaneous speed
Staying steady: Uniform speed
Changing your speed: Nonuniform motion
Doing some calculations: Average speed
Contrasting average speed and instantaneous speed
Speeding Up (or Slowing Down): Acceleration
Defining our terms
Recognizing positive and negative acceleration
Looking at average and instantaneous acceleration
Accounting for uniform and nonuniform acceleration
Bringing Acceleration, Time, and Displacement Together
Locating not-so-distant relations
Equating more speedy scenarios
Putting Speed, Acceleration, and Displacement Together
Studying Circular Motions
Understanding Uniform Circular Motion
Creating Centripetal Acceleration
Seeing how centripetal acceleration controls velocity
Calculating centripetal acceleration
Finding Angular Equivalents for Linear Equations
Push-Ups and Pull-Ups: Exercises in Force
Reckoning with Force
Objects at Rest and in Motion: Newton's First Law
Calculating Net Force: Newton's Second Law
Gathering net forces
Just relax: Dealing with tension
A balancing act: Finding equilibrium
Equal and Opposite Reactions: Newton's Third Law
Falling Slowly: Gravity and Friction
Dropping the Apple: Newton's Law of Gravitation
Down to Earth: Dealing with Gravity
Leaning Vertically with Inclined Planes
Facing Friction
Figuring out the normal force
Finding the coefficient of friction
Bringing static and kinetic friction into the mix
Getting moving with static friction
Staying in motion with kinetic friction
Dealing with uphill friction
Calculating the component weight
Determining the force of friction
Putting Physics to Work
Wrapping Your Mind around Work
Pushing your weight
Taking a drag
Working Backward: Negative Work
Working Up a Sweat: Kinetic Energy
Breaking down the kinetic energy equation
Using the kinetic energy equation
Calculating kinetic energy by using net force
Saving Up: Potential Energy
Working against gravity
Converting potential energy into kinetic energy
Pitting Conservative against Nonconservative Forces
No Work Required: The Conservation of Mechanical Energy
A Powerful Idea: The Rate of Doing Work
Moving Objects with Impulse and Momentum
Feeling a Sudden Urge to Do Physics: Impulse
Mastering Momentum
Connecting Impulse and Momentum
Taking impulse and momentum to the pool hall
Getting impulsive in the rain
Watching Objects Go Bonk: The Conservation of Momentum
Measuring Firing Velocity
Examining Elastic and Inelastic Collisions
Flying apart: Elastic collisions
Sticking together: Inelastic collisions
Colliding along a line
Colliding in two dimensions
Navigating the Twists and Turns of Angular Kinetics
Changing Gears (and Equations) from Linear to Rotational Motion
Tackling Tangential Motion
Calculating tangential speed
Figuring out tangential acceleration
Looking at centripetal acceleration
Applying Vectors to Rotation
Analyzing angular velocity
Working out angular acceleration
Doing the Twist with Torque
Walking through the torque equation
Mastering lever arms
Identifying the torque generated
Realizing that torque is a vector
No Spin, Just the Unbiased Truth: Rotational Equilibrium
Taking a Spin with Rotational Dynamics
Converting Newton's Second Law into Angular Motion
Moving from tangential to angular acceleration
Bringing the moment of inertia into play
Finding Moments of Inertia for Standard Shapes
Doing Rotational Work and Producing Kinetic Energy
Making the transition to rotational work
Solving for rotational kinetic energy
Going Round and Round with Angular Momentum
There and Back Again: Simple Harmonic Motion
Homing in on Hooke's Law
Staying within the elastic limit
Exerting a restoring force
D�j� Vu All Over Again: Simple Harmonic Motion
Browsing the basics of simple harmonic motion
Exploring some complexities of simple harmonic motion
Breaking down the sine wave
Getting periodic
Studying the velocity
Including the acceleration
Finding angular frequencies of masses on springs
Examining Energy in Simple Harmonic Motion
Going for a Swing with Pendulums
Ten Marvels of Relativity
Nature Doesn't Play Favorites
The Speed of Light Is Constant
Time Contracts at High Speeds
Space Travel Slows Down Aging
Length Shortens at High Speeds
Matter and Energy Are Equivalent: E = mc<sup>2<sup>
Matter + Antimatter Equals Boom
The Sun Is Losing Mass
You Can't Surpass the Speed of Light
Newton Was Right
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