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7.11 Kinematics of rotational motion about a fixed axis 167
7.12 Dynamics of rotational motion about a fixed axis 169
7.13 Angular momentum in case of rotations about a fixed axis 171
7.14 Rolling motion 173

C H A P T E R 8
GRAVITATION
8.1 Introduction 183
8.2 Kepler’s laws 184
8.3 Universal law of gravitation 185
8.4 The gravitational constant 189
8.5 Acceleration due to gravity of the earth 189
8.6 Acceleration due to gravity below and above the surface of earth 190
8.7 Gravitational potential energy 191
8.8 Escape speed 193
8.9 Earth satellite 194
8.10 Energy of an orbiting satellite 195
8.11 Geostationary and polar satellites 196
8.12 Weightlessness 197

APPENDICES 207
ANSWERS 223

2018-19

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