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Physics essentials for dummies

Author: Steven Holzner; Daniel Wohns
Publisher: Hoboken, NJ : Wiley Pub., Inc., ©2010.
Series: --For dummies.
Edition/Format:   Print book : English : 1st edView all editions and formats
From the Publisher: For students who just need to know the vital concepts of physics, whether as a refresher, for exam prep, or as a reference, Physics Essentials For Dummies is a must-have guide. Free of ramp-up and ancillary material, Physics Essentials For Dummies contains content focused on key topics only. It provides discrete explanations of critical concepts taught in an introductory physics course, from  Read more...
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Material Type: Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Steven Holzner; Daniel Wohns
ISBN: 9780470618417 0470618418
OCLC Number: 466334149
Notes: Includes index.
Description: xiv, 174 pages : illustrations ; 22 cm.
Contents: Introduction --
About this book --
Conventions used in this book --
Foolish assumptions --
Icons Used in this book --
Where to go from here --
Chapter 1: 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 --
Chapter 2: 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 --
Chapter 3: Going the distance with speed and acceleration --
From here to there: dissecting displacement --
Examining axes --
Measuring speed --
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 --
Chapter 4: 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 --
Chapter 5: 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 --
Balancing act: finding equilibrium --
Equal and opposite reactions: Newton's third Law --
Chapter 6: 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 --
Chapter 7: 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 --
Powerful idea: the rate of doing work --
Chapter 8: 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 --
Chapter 9: 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 --
Chapter 10 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 --
Chapter 11: There And Back Again: Simple Harmonic Motion --
Homing in on Hooke's law --
Staying within the elastic limit --
Exerting a restoring force --
Deja 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 --
Chapter 12 Ten Marvels Of Relativity --
Nature doesn't play favorites --
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 = mc2 --
Matter + antimatter equals boom --
Sun Is losing mass --
You can't surpass the speed of light --
Newton was right --
Series Title: --For dummies.
Responsibility: Steven Holzner with Daniel Wohns.


For students who just need to know the vital concepts of physics,whether as a refresher, for exam prep, or as a reference, Physics Essentials For Dummies is a must-have guide. Free oframp-up and  Read more...
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