Physics Essentials For Dummies (häftad)
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Häftad (Paperback / softback)
Antal sidor
John Wiley & Sons Inc
Black & white illustrations
209 x 133 x 12 mm
181 g
Antal komponenter
22:B&W 5.5 x 8.5 in or 216 x 140 mm (Demy 8vo) Perfect Bound on White w/Gloss Lam
Physics Essentials For Dummies (häftad)

Physics Essentials For Dummies

Häftad Engelska, 2019-04-19
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Physics Essentials For Dummies (9781119590286) was previously published as Physics Essentials For Dummies (9780470618417). While this version features a new Dummies cover and design, the content is the same as the prior release and should not be considered a new or updated product. 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 force and motion to momentum and kinetics. This guide is also a perfect reference for parents who need to review critical physics concepts as they help high school students with homework assignments, as well as for adult learners headed back to the classroom who just need a refresher of the core concepts. The Essentials For Dummies Series Dummies is proud to present our new series, The Essentials For Dummies. Now students who are prepping for exams, preparing to study new material, or who just need a refresher can have a concise, easy-to-understand review guide that covers an entire course by concentrating solely on the most important concepts. From algebra and chemistry to grammar and Spanish, our expert authors focus on the skills students most need to succeed in a subject.
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Övrig information

Steven Holzner, PhD, was a contributing editor at PC Magazine and was on the faculty of both MIT and Cornell University. He wrote Physics For Dummies, Physics II For Dummies, and Quantum Physics For Dummies.


Introduction 1 About This Book 1 Conventions Used in This Book 2 Foolish Assumptions 2 Icons Used in This Book 3 Where to Go from Here 3 Chapter 1: Viewing the World through the Lens of Physics 5 Figuring Out What Physics is About 5 Paying Attention to Objects in Motion 6 Getting Energized 7 Moving as Fast as You Can: Special Relativity 8 Measuring Your World 9 Keeping physical units straight 9 Converting between units of measurement 10 Nixing some zeros with scientific notation 11 Knowing which digits are significant 12 Chapter 2: Taking Vectors Step by Step 15 Getting a Grip on Vectors 15 Looking for direction and magnitude 16 Adding vectors 17 Subtracting vectors 18 Waxing Numerical on Vectors 19 Working with Vector Components 20 Using magnitudes and angles to find vector components 20 Using vector components to find magnitudes and angles 22 Chapter 3: Going the Distance with Speed and Acceleration 25 From Here to There: Dissecting Displacement 26 Examining axes 27 Measuring speed 28 The Fast Track to Understanding Speed and Velocity 29 How fast am I right now? Instantaneous speed 30 Staying steady: Uniform speed 30 Changing your speed: Nonuniform motion 30 Doing some calculations: Average speed 31 Contrasting average speed and instantaneous speed 31 Speeding Up (or Slowing Down): Acceleration 33 Defining our terms 33 Recognizing positive and negative acceleration 33 Looking at average and instantaneous acceleration 34 Accounting for uniform and nonuniform acceleration 35 Bringing Acceleration, Time, and Displacement Together 35 Locating not-so-distant relations 36 Equating more speedy scenarios 37 Putting Speed, Acceleration, and Displacement Together 38 Chapter 4: Studying Circular Motions 41 Understanding Uniform Circular Motion 42 Creating Centripetal Acceleration 43 Seeing how centripetal acceleration controls velocity 44 Calculating centripetal acceleration 44 Finding Angular Equivalents for Linear Equations 45 Chapter 5: Push-Ups and Pull-Ups: Exercises in Force 49 Reckoning with Force 49 Objects at Rest and in Motion: Newton's First Law 50 Calculating Net Force: Newton's Second Law 51 Gathering net forces 52 Just relax: Dealing with tension 56 A balancing act: Finding equilibrium 57 Equal and Opposite Reactions: Newton's Third Law 60 Chapter 6: Falling Slowly: Gravity and Friction 63 Dropping the Apple: Newton's Law of Gravitation 63 Down to Earth: Dealing with Gravity 65 Leaning Vertically with Inclined Planes 66 Facing Friction 68 Figuring out the normal force 69 Finding the coefficient of friction 69 Bringing static and kinetic friction into the mix 71 Dealing with uphill friction 73 Chapter 7: Putting Physics to Work 77 Wrapping Your Mind around Work 77 Pushing your weight 78 Taking a drag 79 Working Backward: Negative Work 80 Working Up a Sweat: Kinetic Energy 81 Breaking down the kinetic energy equation 82 Using the kinetic energy equation 83 Calculating kinetic energy by using net force 85 Saving Up: Potential Energy 87 Working against gravity 87 Converting potential energy into kinetic energy 88 Pitting Conservative against Nonconservative Forces 89 No Work Required: The Conservation of Mechanical Energy 91 A Powerful Idea: The Rate of Doing Work 92 Chapter 8: Moving Objects with Impulse and Momentum 95 Feeling a Sudden Urge to Do Physics: Impulse 95 Mastering Momentum 97 Connecting Impulse and Momentum 98 Taking impulse and momentum to the pool hall 99 Getting impulsive in the rain 100 Watching Objects Go Bonk: The Conservation of Momentum 101 Measuring Firing Velocity 103 Examining Elastic and Inelastic Collisions 105 Flying apart: Elastic collisions 105 Sticking together: Inelastic collisions 105 Colliding along a line 106 Colliding in two dimensions 107 Chapter 9: Navigating the Twists and Turns of Angular Kinetics 11