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  Item Reference: KCLCAL-1870-1871-293

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292 EVENING CLASSES 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-Illustra- tions of this Balances- 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 Combinations of Mechanical Powers-The Force of Fric- tion Dynamics The Units of Space Time and Quantity of Matter The term "Velocity" Newton's First Law of Motion-the Inertness of Matter-A change of Velocity or Direction implies the existence of some exterior Force Newton's Second Law of Motion and the Parallelogram of Velocities Dynamical Force is measured by the Velocity which it would add to unit of Matter in 1" an inference from Newton's Third Law of Motion Nature of the Proofs of the Laws of Motion The Force of Gravity The Motion of Projectiles-Motion down Smooth Inclined Plane-Motion in Curve-The simple Pendulum-Centrifugal Force The Elasticity of Bodies Their direct Collision Hydrostatics Propositions referring to the Nature and Effects of the Pressure exerted by Fluids The Equilibrium of Floating Bodies The Principles on which the Experimental Methods for determining the Specific Gravity of Body are based The Tranmission of Pressure by means of Fluid which is practically incompressible-The Hydrostatic Press and other Hydrostatic and Pneumatic Machines
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