Senior Physics 1

Introduction ......Page 13
Basic Problem of Mechanics ......Page 15
1.1. Translational Motion of Bodies. Material Point ......Page 16
1.2. Position of a Body in Space. Reference System ......Page 17
1.3. Displacement ......Page 19
1.4. On Vector Quantities ......Page 20
1.5. Projections of a Vector onto Coordinate Axes and Operations on Projections ......Page 23
1.6. Uniform Rectilinear Motion. Velocity ......Page 28
1.7. Graphic Representation of Motion ......Page 32
1.8. Relative Nature of Motion ......Page 35
1.9. On System of Units ......Page 40
Summary ......Page 42
2.1. Velocity of Nonuniform Motion ......Page 43
22. Acceleration. Uniformly Accelerated Motion ......Page 46
2.3. Displacement in Uniformly Accelerated Motion ......Page 50
24. Measurement of Acceleration ......Page 58
2.5. Free Fall. Acceleration Due to Gravity ......Page 59
Summary ......Page 61
3.1. Displacement and Velocity in Curvilinear Motion ......Page 63
3.2. Acceleration in Uniform Motion of a Body in a Circle ......Page 66
3.3. Period and Frequency of a Body Moving in a Circle ......Page 69
3.4. Motion on a Routing Body ......Page 70
Summary ......Page 71
4.1. Bodies and Surroundings. Newton’s First Law ......Page 73
4.2. Interaction of Bodies. Acceleration of Bodies as a Result of Their Interaction ......Page 77
4.3. Inertia of Bodies ......Page 80
4.4. Mass of Bodies ......Page 82
4.5. Force ......Page 86
4.6. Newton’s Second Law ......Page 88
4.7. What Do We Learn from Newton’s Second Law? ......Page 91
4.8. Measurement of Force ......Page 94
4.9. Newton’s Third Law ......Page 97
Summary. The Importance of Newton’s Laws ......Page 99
Are There Many Types of Force in Nature? ......Page 102
5.1. Elastic Forces ......Page 103
5.2. Motion Is the Cause of Deformation ......Page 106
5.3. Force of Universal Gravitation ......Page 108
5.4. Gravitational Constant ......Page 111
5.5. Force of Gravity ......Page 113
5.6. Friction. Static Friction ......Page 116
5.7. Sliding Friction ......Page 120
Summary ......Page 123
6.1. Motion of a Body Under the Action of Elastic Force ......Page 124
6.2. Motion Under the Action of Force of Gravity: a Body Moves Along the Vertical ......Page 125
6.3. Motion Under the Action of Force of Gravity: Initial Velocity of a Body Is at an Angle to the Horizontal ......Page 130
6.4. Weight of a Body. Weightlessness ......Page 136
6.5. Weight of a Body Moving with an Acceleration ......Page 139
6.6. Artificial Earth’s Satellites. Orbital Velocity ......Page 143
6.7. Motion of a Body Under the Action of Friction ......Page 146
6.8. Motion of a Body Under the Action of Several Forces ......Page 148
6.9. Motion on Bends ......Page 153
6.10. Conditions of Translatory Motion of Bodies. Centre of Mass and Centre of Gravity ......Page 156
6.11. Are the Laws of Newtonian Mechanics Always Valid? (Motion from Different Points of View) ......Page 158
Summary ......Page 161
7.1. Equilibrium of Bodies in the Absence of Rotation ......Page 162
7.2. Equilibrium of Bodies with a Fixed Axis of Rotation ......Page 165
7.3. Stability of Equilibrium of Bodies ......Page 171
Summary ......Page 176
8.1. Force and Momentum ......Page 177
8.2. The Law of Conservation of Momentum ......Page 179
8.3. Reaction Propulsion ......Page 183
Summary ......Page 187
9.1. Mechanical Work ......Page 188
9.2. Work Done by Forces Applied to a Body and the Change in Its Velocity ......Page 191
9.3. Work Done by the Force of Gravity ......Page 195
9.4. Potential Energy of a Body Acted upon by the Force of Gravity ......Page 198
9.5. Work Done by an Elastic Force: Potential Energy of a Body Subject to Elastic Deformation ......Page 201
9.6. The Law of Conservation of Total Mechanical Energy ......Page 205
9.7. Friction Work and Mechanical Energy ......Page 209
9.8. Power ......Page 212
9.9. Energy Transformation. Utilization of Machinery ......Page 215
9.10. Efficiency ......Page 217
9.11. Flow of Fluid in Pipes. Bernoulli’s Law ......Page 220
On the Importance of Conservation Laws ......Page 224
Conclusion ......Page 226
1. Determination of the Acceleration of a Body in Uniformly Accelerated Motion ......Page 234
2. Measurement of the Rigidity of a Spring ......Page 235
3. Determination of the Coeflicient of Sliding Friction ......Page 237
4. Analysis of Motion of a Body Along a Parabola ......Page 238
5. Analysis of Motion of a Body in a Circle ......Page 239
6. Equilibrium Conditions for a Lever ......Page 241
7. Determination of the Centre of Gravity of a Flat Plate ......Page 242
8. Experimental Investigation of the Law of Conservation of Mechanical Energy ......Page 243
Answers to Exercises ......Page 245
Index ......Page 247