Calendar: 1866-1867 Page 269

EVENING CLASSES 2C9 XVII MECHANICS and their application to engineering and machinery Baysand Hour of Attendance-Monday and Thursday from t07 Pliysical Force-The Correlation of Matter and Force- Illustrations ol various kinds of Force in Nature Definitions of Weight Specific Gravity Quantity of Matter Density Division of the Science of Mechanics into Statics and Dynamics Statics Pressure-Meaning of the term-It varies in amount and direction-The measure of this amount- Illustrations of Pressures in different directions producing Equilibrium In Statics Force is used as Synonyme of Pressure The graphical representation of the point of application direction and amount of Statical Force-Composition and resolution of Statical Forces The Principle of the Lever-The three kinds of Lever-the Moment of Force Problems and Examples referred to the Principle of the Lever The Parallelogram of Forces-The Triangle of Forces-The Resultant of any number of Forces applied at the same point and whose directions lie in the same Plane-General condi- tions of the Equilibrium of Forces whose directions lie in the same Plane-Principle of the Equality of Moments The Composition and Resolution of Parallel Forces-The Centre of Parallel Forces-The Centre of Gravity of Body Conditions determining the Stability of Body-Illustra- tions of this Situation and Motion of the Centre of Gravity of Animals as influencing their behaviour under various circumstances Balances- The Mechanical Powers statically considered-Definition of Machine-Series of Levers-Wheels and Axles-Cords and Pulleys-Inclined Plane-The Screw-The Wedge