Elementary Dynamics...Thacker, Spink and Company, 1874 - 278 pàgines |
Altres edicions - Mostra-ho tot
Frases i termes més freqüents
acceleration of velocity algebraic sum angle of friction angular points angular velocity beam centre of gravity centre of inertia change of velocity circle co-ordinates coefficient of restitution component velocities condition of equilibrium determine distance earth equal and opposite equations fixed point force of gravity forces meeting friction fulcrum given direction Hence inclined plane indefinitely small instant Kinematics kinetic energy Kinetic units lever line joining line of action magnitude and direction measured middle points opposite directions P₁ P₂ parallelogram Parallelogram of Forces particle passing perpendicular point moves point of application point's velocity potential energy produce proportional pulleys radius ratio reaction resisting forces respectively rest right angles rigid body round sides simple harmonic motion space described Statics straight line string supposed surface tangent three forces triangle uniform uniformly accelerated unit of force unit of mass unit of space vertical weight
Passatges populars
Pàgina 8 - To every action there is always an equal and contrary reaction ; or the mutual actions of any two bodies are always equal and oppositely directed.
Pàgina 279 - Fcp. 8vo. , 41 . 6d. INTRODUCTION TO THE STUDY OF INORGANIC CHEMISTRY. By WILLIAM ALLEN MILLER, MD, LL.D., FRS With 72 Illustrations.
Pàgina 249 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
Pàgina 280 - Price 3$. 6d. On the STRENGTH of MATERIALS and STRUCTURES : the Strength of Materials as depending on their quality and as ascertained by Testing Apparatus ; the Strength of Structures, as depending on their form and arrangement, and on the materials of which they are composed. By Sir J. ANDERSON, CE &c.
Pàgina 220 - Change of motion is proportional to the impressed force and takes place in the direction of the straight line in which the force acts.
Pàgina 16 - The Parallelogram of Forces.— If two forces acting at a point be represented in magnitude and direction by the...
Pàgina 279 - THE ELEMENTS OF MECHANISM, designed for Students of Applied Mechanics. By TM GOODEVE, MA, Professor of Natural Philosophy in King's College, London. With 206 Figures on Wood. Post 8vo 6
Pàgina 123 - Powers, are certain simple instruments, commonly employed for raising greater weights, or overcoming greater resistances, than could be effected by the natural strength without them. These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Pàgina 95 - A heavy equilateral triangle hung up on a smooth peg by a string, the ends of which are attached to two of its angular points, rests with one of its sides vertical — shew that the length of the string is double the altitude of the triangle.
Pàgina 257 - ... prove that the time of descent from any point of the former to a point in the latter, along a straight line joining these points and passing through the point of contact, is constant.