Xll 



CONTENTS. 



THE PRINCIPLES OF DYNAMICS. 



CHAPTER V. 



ARTS. 



67 74. 



75 77. 

 78 80. 

 8183. 

 84 _ 88. 



Density 



Conception of a Body. Mutual Actions. Mass. 

 Force. Motion of a Body under given Forces . . . 

 Momentum. Kinetic Keaction. Equations of Motion . 

 Impulses .......... 



Eational Mechanics and its applications. Postulates of 



Mechanics .......... 



89 94. Field of Force, Weight, Validity of Concept of Mass, 



Gravitation ......... 



Quantity of Matter. Inertia ...... 



9597. 



PAGES 



85 88 



88 90 



90 



9092 



92, 93 



9398 

 98, 99 



Historical Note .... 100, 101 



CHAPTER VI. 



98104. Theory of Parallel Axes and Motion of Centre of Inertia 102105 

 105 110. Equations of Motion. DAlembert s Principle. Independ 

 ence of Translation and Eotation 106 108 



111 113. Conservation of Momentum. Impulses .... 108 110 



CHAPTER VII. 



114 117. Forces acting on Eigid Systems Ill 114 



118 120. Constraints and Resistances. Friction .... 114, 115 



121124. Deformable Bodies. Stress and Strain. Surface Tractions 116118 



125130. Strings and Springs 119122 



CHAPTER VIII. 



131 138. Work done by Forces. Conservative System. Potential 



Energy 123-127 



Examples of Calculation of Work ..... 127 133 



Equation of Energy 133 135 



Positional and Motional Forces. Conservation of Energy. 



Power 



Kinetic Energy produced by Impulses 



Virtual Work. Variational Equation of Motion 



Critical Note 



139150. 



151. 



152154. 



155. 

 156159. 



135138 

 138, 139 

 139141 

 141144 



