Exploring Creation With Physics
Table of Contents
Module 1 : Measurement and Units
  Introduction 1
  Units of Measurement 2
  The Metric System 2
  Manipulating Units 4
  Converting Between Units 6
  Derived Units 12
  Making Measurements 16
  Accuracy, Precision, and Significant Figures 18
  Scientific Notation 21
  Using Significant Figures in Mathematical Problems 24
  Experiment 1.1 : Comparing Conversions To Measurements 26
  Density 27
  Experiment 1.2 : The Density of Liquids 28
Module 2 : Motion in One Dimension
  Introduction 37
  Distance and Displacement 37
  Speed and Velocity 40
  Average and Instantaneous Velocity 44
  Experiment 2.1 : Measuring Velocity over Different Time Intervals 52
  Acceleration 54
  Experiment 2.2 : Measuring an Object’s Acceleration 55
  Average and Instantaneous Acceleration 57
Module 3 : One-Dimensional Motion Equations and Free Fall
  Introduction 69
  Relating Velocity, Acceleration, and Time 69
  Relating Velocity, Acceleration, and Displacement 72
  Relating Displacement, Velocity, Acceleration, and Time 76
  Using Our Equations for One-Dimensional Motion 80
  Free Fall 84
  Experiment 3.1 : The Acceleration Due To Gravity is the Same 85
  Experiment 3.2 : Determining a Person’s Reaction Time 87
  A More Detailed Look at Free Fall 90
  Terminal Velocity 94
Module 4 : Two-Dimensional Vectors
  Introduction 105
  Vectors 105
  Adding and Subtracting Two-Dimensional Vectors: The Graphical Way 108
  Adding and Subtracting Two-Dimensional Vectors: The Analytical Way 113
  Applying Vector Addition to Physical Situations 123
Module 5 : Two-Dimensional Motion
  Introduction 139
  Navigation in Two Dimensions 139
  Projectile Motion in Two Dimensions 143
  The Range Equation 150
  Experiment 5.1 156
  Two-Dimensional Situations in Which You Cannot Use Equation (5.9) 157
Module 6 : Newton’s Laws
  Introduction 177
  Sir Isaac Newton 177
  Newton’s First Law 178
  Experiment 6.1 : Inertia 179
  Newton’s Second Law 181
  Mass and Weight 183
  The Normal Force 188
  Analyzing Situations With Friction 190
  Newton’s Third Law 199
Module 7 : Applications of Newton’s Second Law
  Introduction 213
  Translational Equilibrium 213
  Rotational Motion and Torque 222
  Experiment 7.1 : What Causes Rotational Motion? 223
  Rotational Equilibrium 228
  Objects on an Inclined Surface 232
  Experiment 7.2 234
  Applying Newton’s Second Law to More Than One Object at a Time 238
Module 8 : Uniform Circular Motion and Gravity
  Introduction 255
  Uniform Circular Motion 255
  Gravity 265
  Circular Motion Terminology 270
  Gravity and the Motion of the Planets 273
Module 9 : Work and Energy
  Introduction 289
  The Definitions of Work and Energy 289
  The Mathematical Definition of Work 290
  Kinetic and Potential Energy 292
  the First Law of Thermodynamics 296
  Experiment 9.1 302
  Friction, Work, and Energy 304
  Energy and Power 310
Module 10 : Momentum
  Introduction 325
  Definition of Momentum 325
  Impulse 326
  Experiment 10.1 329
  The Conservation of Momentum 333
  The Mathematics of Momentum Conservation 336
  Angular Momentum 341
Module 11 : Periodic Motion
  Introduction 355
  Hooke’s Law 355
  Experiment 11.1 : Hooke’s Law 355
  Uniform Circular Motion, An Example of Periodic Motion 361
  Experiment 11.2 : The Characteristics of a Mass/Spring System 363
  Potential Energy in a Compressed or Stretched Spring 371
  The Simple Pendulum 377
Module 12 : Waves and Optics
  Introduction 391
  Waves 391
  The Physical Nature of Sound 393
  Light Waves 397
  The Law of Reflection 400
  Experiment 12.1 : The Law of Reflection 401
  Flat Mirrors 403
  Curved Mirrors 404
  Snell’s Law of Refraction 413
  Lenses 417
  The Human Eye 420
Module 13 : Electrostatics
  Introduction 433
  The Basics of Electrical Charge 433
  Experiment 13.1 434
  Experiment 13.2: Making and Using an Electroscope 436
  Electrostatic Force and Coulomb’s Law 440
  Multiple Charges and the Electrostatic Force 444
  The Electric Field 449
  Application of Coulomb’s Law to the Bohr Model of the Atom 453
Module 14 : Electrodynamics
  Introduction 465
  Electrical Potential 465
  Electrical Potential and Potential Energy 468
  Conservation of Energy in Electrodynamics 469
  Capacitors 479
  How a Television Makes Its Picture 484
Module 15 : Electrical Circuits
  Introduction 499
  Batteries, Circuits, and Conventional Current 499
  Resistance 503
  Experiment 15.1: Current and Resistance 503
  Electrical Heaters 505
  Electrical Power 507
  Switches and Circuits 509
  Series and Parallel Circuits 510
  Fuses and Circuit Breakers 517
  Current and Power in Series and Parallel Circuits 519
  Analyzing More Complicated Circuits 521
Module 16 : Magnetism
  Introduction 535
  Permanent Magnets 535
  Magnetic Fields 537
  How Magnets Become Magnetic 539
  Experiment 16.1: Oersted’s Experiment 539
  Experiment 16.2: Diamagnetic, Paramagnetic, and Ferromagnetic 542
  The Earth’s Magnetic Field 543
  The Magnetic Field of a Current-Carrying Wire 545
  Using Magnets to Generate Electricity 547
  Alternating Current 550
  Some Final Thoughts 552
Glossary
Appendix
Index