Calendar: 1884-1885 Page 361

EVENING CLASSES 355 22 MECHANICS AND THEIR APPLICATION TO ENGINEERING AND MACHINERY Days and Hours of Attendance for Lectures-Monday and Thursday from to Physical Force-The Correlation of Matter and Force- Illustrations of various kinds of Force in Nature Definitions of Weight Specific Gravity Mass Density Division of the Science of Mechanics into Statics and Dvnamics 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 Synonym of Pressure The graphical representation of the point of application direction and amount of Statical Force-Composition and resolution 01 Statical Forces 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-The Principle 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-lllustra- tions of this The Mechanical Powers statically considered-Definition of Machine No Machine can intensify the energy of Force What is gained in power is lost in speed 5' The Force of Friction Dynamics -The Units of Space Time and Quantity of Matter The term Velocity "-Newton's First Law of Motion-the Inertia of Matter-A change of Velocity or Direction implies the existence of some exterior Force ζ