Table of Contents

i Preface I: For Faculty v

ii Preface II: Students! Read Me! vii

ii.1 Studying vii

ii.2 Organization of the Book ix

1 Measurements 3

1.1 Coordinate systems 3

1.2 Dimensions and Units 3

1.3 Dimensional analysis 5

1.4 Error 6

1.5 Significant Figures 7

1.6 Discussion 9

1.7 Worked Problems 9

1.8 Homework Problems 10

1.9 Solutions to Worked Problems 11

2 Vectors 13

2.1 Introduction 13

2.2 Vector Multiplication 17

2.3 The Curie Principle 20

2.4 Discussion 20

2.5 Worked Problem 21

2.6 Homework 21

2.7 Solution to the Worked Problem 21

3 Calculus; Motion at Constant Acceleration 23

3.1 Introduction 23

3.2 The Standard Functions 23

3.3 Motion at Constant Acceleration 25

3.4 Discussion 30

3.5 Worked Problems 31

3.6 Homework 31

3.7 Solutions to the Worked Problems 35

4 Chapter 4. Averages, Average Velocity 37

4.1 Averages 37

4.2 Discussion 39

4.3 Worked Problems 39

4.4 Homework 40

4.5 Solutions to the Worked Problems 42

5 Derivatives of Vectors, Circular Motion 45

5.1 Introduction 45

5.2 Derivatives of Vectors: Cartesian Coordinates 45

5.3 Circular Motion 46

5.4 Ballistic Motion 48

5.5 Discussion 50

5.6 Worked Problems 50

5.7 Homework 50

5.8 Solutions to the Worked Problems 53

6 Newton’s Laws of Motion 55

6.1 Introduction 55

6.2 Newton’s Laws 55

6.3 Applications of Newton’s Laws 59

6.4 Discussion 63

6.5 Worked Problems 63

6.6 Homework 64

6.7 Solutions to the Worked Problems 69

7 Inertial and Non-Inertial Reference Frames 73

8 Applications of Newton’s Laws of Motion 77

8.1 Introduction 77

8.2 The Rocket Car on a Hill 77

8.3 Coupled Masses 80

8.4 The Hanging Mass 82

8.5 Worked Problems 84

8.6 Homework 85

8.7 Solutions to the Worked Problems 90

9 Tribology 95

9.1 Introduction 95

9.2 Kinetic Friction 96

9.3 Static Friction 98

9.4 Coupled Masses with Friction 99

9.5 Rolling Friction and the Tractive Force 102

9.6 Friction in Fluids 102

9.7 Discussion 104

9.8 Worked Problems 104

9.9 Homework 104

9.10 Solutions to the Worked Problems 108

10 Examination 1 113

10.1 Solutions to Examination I 115

11 Springs 119

11.1 Introduction 119

11.2 Forces On and By Springs 120

11.3 Hooke’s Law Springs 121

11.4 Spring Attached to Wall 124

11.5 Discussion 125

11.6 Worked Problems 126

11.7 Homework 126

11.8 Solutions to the Worked Problems 127

12 Momentum, Conservation, Collisions 131

12.1 The Center of Mass 131

12.2 Motion of a Group of Bodies 132

12.3 Collisions 133

12.4 Discussion 135

12.5 Worked Problems 135

12.6 Homework 136

12.7 Problem Solutions 137

13 Work, Kinetic Energy, and the Work-Energy Theorem 141

13.1 Work 141

13.2 The Work-Energy Theorem 142

13.3 Power 144

13.4 Examples of the Work-Energy Theorem 145

13.5 Worked Problems 149

13.6 Homework 150

13.7 Solutions to the Worked Problems 153

14 Energy 157

14.1 Introduction 157

14.2 Stability 159

14.3 Gravitational Potential Energy of an Extended Body 160

14.4 I Threw a Rock Into the Air 161

14.5 The Radical Roller Coaster 162

14.6 Two Masses Connected by a Wire 163

14.7 Potential Energy of a Spring 164

14.8 Discussion 165

14.9 Worked Problems 165

14.10 Homework 166

14.11 Solutions to the Worked Problems 170

15 Energy Conservation, Collisions, and Friction 175

15.1 Introduction 175

15.2 Examples of Collisions 176

15.3 Discussion 179

15.4 Worked Problems 180

15.5 Homework 180

15.6 Problem Solutions 182

16 Examination 2 183

16.1 Examination 2 Solutions 185

17 Descriptions of Rotation 187

17.1 Rotation 187

17.2 Vector Products 187

17.3 Circular Motion 189

17.4 Circular Motion in an Arbitrary Plane 191

17.5 Discussion 193

17.6 Worked Problems 193

17.7 Homework 193

17.8 Solutions to the Worked Problems 194

18 Motion in Cylindrical Polar Coordinates 197

18.1 Introduction 197

18.2 Worked Problems 201

18.3 Homework 201

18.4 Solutions to the Worked Problems 202

19 Angular Momentum 205

19.1 Introduction 205

19.2 Angular Momentum 205

19.3 Torque 206

19.4 Conservation of Angular Momentum 207

19.5 Displacement of the Origin 208

19.6 ω and L 209

19.7 Discussion 211

19.8 Worked Problems 211

19.9 Homework 212

19.10 Problem Solutions 214

20 Moment of Inertia 217

20.1 Introduction 217

20.2 Rigid Body Motion; Rolling Motion Without Slip 217

20.3 Composite Rotating Systems 219

20.4 Discussion 220

20.5 Worked Problems 220

20.6 Homework 220

20.7 Solutions to the Worked Problems 221

21 Rigid Body Rotation 223

21.1 Introduction 223

21.2 Example: The Physical Pendulum 223

21.3 Koenig’s Theorem 226

21.4 The Rolling Cylinder 226

21.5 Worked Problems 227

21.6 Homework 228

21.7 Solution to the Worked Problem 230

22 Torque Diagrams; Pendulums 233

22.1 The Torque Diagram 233

22.2 The Simple Pendulum 236

22.3 Pendulum with Extended Bob 237

22.4 Pendulum Motion: A Solution 239

22.5 Period of a Pendulum 240

22.6 Discussion 240

22.7 Worked Problems 241

22.8 Homework 241

22.9 Solutions to the Worked Problems 242

23 Coupled Motion Including Rotation 247

23.1 Introduction 247

23.2 One Mass and a Wheel 247

23.3 Two Masses and a Wheel 248

23.4 Discussion 252

23.5 Worked Problems 252

23.6 Homework 253

23.7 Problem Solutions 256

24 Statics 259

24.1 Simple Statics Problem 260

24.2 Ladder on a Wall with Friction 261

24.3 The Hinged Flagpole 262

24.4 Discussion 263

24.5 Worked Problems 264

24.6 Homework 265

24.7 Solutions to the Worked Problems 268

25 Gravity 273

25.1 Introduction 273

25.2 Newtonian Gravity 275

25.3 Escape Velocity 278

25.4 Weightlessness 279

25.5 Discussion 279

25.6 Worked Problems 280

25.7 Homework 280

25.8 Solutions to the Worked Problems 283

26 Planetary Orbits 287

26.1 Discussion 290

26.2 Worked Problem 290

26.3 Homework 290

26.4 Solution to the Worked Problem 291

27 Examination 3 293

27.1 Examination 3 Solutions 295

28 A Sequence of Experiments 301

29 Experiment One: Measurements are Imprecise 305

29.1 Experimental 305

29.2 Data Analysis 306

29.3 Making Graphs 308

29.4 The Search for Systematic Error 310

29.5 Laboratory Report 310

30 Experiment Two: The Search for Best Technique 313

30.1 Experimental 313

30.2 Data Analysis 314

30.3 Significant Figures 315

31 Experiment Three: Properties of the Pendulum 317

31.1 Data Fitting 317

32 Experiment Four: The Physical Pendulum 321

33 Experiment Five: The Atwood Machine 323

34 Experiment Six: The Static Force Diagram 325

35 Harmonic Motion 329

35.1 Note 330

36 Complex Numbers 331

36.1 Arithmetic with Complex Numbers 332

36.2 The Euler Identity 333

36.3 Note 334

36.4 Homework 334

37 Harmonic Oscillation 337

37.1 A Mass on a Spring 337

37.2 Canonical Forms for a Harmonic Oscillator 339

37.3 The Pendulum 340

37.4 Complex Variable Method 341

37.5 Energy of a Pendulum 342

37.6 Pendulums: Torque Approach 343

37.7 Physical Pendulum: Energy Approach 345

37.8 Calculating Constants of Integration 346

37.9 Homework 347

38 Harmonic Motion, Damped or Driven 351

38.1 Harmonic Oscillation with Damping 351

38.2 Energy Storage–The Quality Parameter 354

38.3 Harmonic Oscillation with an External Driving Force 355

38.4 Discussion 356

38.5 Homework 357

39 The Damped, Driven Harmonic Oscillator 359

39.1 Basic Calculation 359

39.2 Form of the Amplitude Curve 362

39.3 Power Absorption 365

39.4 Homework 369

40 Coupled Harmonic Oscillators 373

40.1 Mathematical Interlude 373

40.2 An Example 377

40.3 Discussion 379

40.4 Homework 379

41 The Double Pendulum 381

41.1 Discussion 384

41.2 Homework 384

42 The Oscillating String – Standing Waves 387

42.1 Normal Modes of a String 387

42.2 Energy in a Vibrating String 392

42.3 Homework 395

43 The Oscillating String – Traveling Waves 397

43.1 Introduction 397

43.2 Travelling Waves 397

43.3 Terminology 399

43.4 Longitudinal and Transverse Velocities 400

43.5 Homework 402

44 About the Author 405