CHAPTER I. 



THEDOMAIH OF PHYSICS. 



PAGE 



SECTION I, The Domain of Physics 1 



" II. The Properties of Matter C 



" III. The Three Conditions of Matter 21 



CHARTER II. 

 D Y X A M I C S . 



SECTION I. Force and Motion 25 



' " II. Gravitation 46 



" III. Falling Bodies 57 



" IV. The Pendulum 09 



" V. Energy 76 



CHAPTER III. 



SIMPLE MACHINES. 



SECTION I. Principles of Machinery ; the Lever 86 



" II. The Wheel and Axle ; Wheel- work 97 



" III. The Pulley ; the Inclined Plane 103 



" IV. The Wedge, Screw, Compound Machines and 



Friction 109 



CHAPTER IV. 



LIQUIDS. 



SECTION I. Hydrostatics 116 



" II. Liquid Equilibrium ; Capillarity ; Buoyancy 128 



" III. Specific Gravity 135 



" IV, Hydrokinetics 145 



