A Text-book on Applied Mechanics: Specially Arranged for the Use of Science and Art, City and Guilds of London Institute and Other Engineering Students, Band 2Charles Griffin, 1898 |
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Seite 1
... position in space , and to be at Rest when it retains a fixed position in space . These are the definitions of absolute motion and absolute rest . We can never know the absolute motion of any body because we know no fixed bodies to ...
... position in space , and to be at Rest when it retains a fixed position in space . These are the definitions of absolute motion and absolute rest . We can never know the absolute motion of any body because we know no fixed bodies to ...
Seite 2
... position on the circle at that instant . DEFINITION . - The Velocity of a body is the rate at which it changes its position . A velocity is completely specified when we know ( 1 ) its direc- tion , and ( 2 ) its magnitude . Hence , a ...
... position on the circle at that instant . DEFINITION . - The Velocity of a body is the rate at which it changes its position . A velocity is completely specified when we know ( 1 ) its direc- tion , and ( 2 ) its magnitude . Hence , a ...
Seite 4
... positions of the body , then its average velocity can be found in the same way as we find the average of a series of numbers . Thus , let V1 , V2 , V3 , points in its path ; then : - vn denote the velocities at n different Average ...
... positions of the body , then its average velocity can be found in the same way as we find the average of a series of numbers . Thus , let V1 , V2 , V3 , points in its path ; then : - vn denote the velocities at n different Average ...
Seite 16
... positions at the beginning and end of an interval of time , t . 1 At P1 , its velocity is in the direction of the tangent , P , T1 , and at P2 , its velocity is in the direction , P , T. From A draw A B and AC to represent in magnitude ...
... positions at the beginning and end of an interval of time , t . 1 At P1 , its velocity is in the direction of the tangent , P , T1 , and at P2 , its velocity is in the direction , P , T. From A draw A B and AC to represent in magnitude ...
Seite 19
... position of the body at any instant . Draw the radius , O Q , of the hodograph parallel to the tangent at P ; or , what is the same thing , draw OQ perpendicular to O P. Since the radius , OP , describes equal angles in equal times , it ...
... position of the body at any instant . Draw the radius , O Q , of the hodograph parallel to the tangent at P ; or , what is the same thing , draw OQ perpendicular to O P. Since the radius , OP , describes equal angles in equal times , it ...
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acceleration angle angular velocity axis beam bending bending moment body centrifugal force compression condenser crane curve cwts cylinder delivery valve diameter direction distance equal equation Exam EXAMPLE external forces feet per second fixed flange fluid flywheel forces acting Frame Diagram friction girder governor Hence hodograph horizontal hydraulic Hydraulic Machinery inch-lbs inertia joint kinetic energy Lecture length lever line of action liquid machine magnitude maximum moment of inertia motion moving P₁ parallel pipe piston plane plunger polygon pressure pulley pump radius of gyration reaction refrigerating represent resistance resultant revolutions per minute rotation shaft shearing force shearing stress side speed spindle square inch Stress Diagram stroke surface tank tensile stress tension tie-rods tons Truss turbine uniformly v₁ vane vertical component W₁ weight wheel
Beliebte Passagen
Seite 65 - Chain- Endless Rope- Comparison. Winding: Pit Frames— Pulleys— Cages— Ropes— Guides — Engines — Drums — Brakes— Counterbalancing — Expansion — Condensation — Compound Engines— Prevention of Overwinding— Catches at pit top — Changing Tubs— Tub Controllers— Signalling. Pumping : Bucket and Plunger Pumps — Supporting Pipes in Shaft — Valves — Suspended lifts for Sinking — Cornish and Bull Engines — Davey Differential Engine — Worthington Pump — Calculations...
Seite 35 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
Seite 70 - METALLURGICAL MACHINERY: the Application of Engineering to Metallurgical Problems. By HENRY CHARLES JENKINS, Wh.Sc., ASSOC.RSM, Assoc.
Seite 58 - SHIP. BY THOMAS WALTON, NAVAL ARCHITECT. Specially arranged to suit the requirements of Ships' Officers, Shipowners, Superintendents, Draughtsmen, Engineers, and Others. This work explains, in a simple manner, such important subjects as: — Displacement. — Deadweight.— Tonnage. — Freeboard. —Moments. — Buoyancy.— Strain Structure. — Stability.— Rolling — Ballasting. — Loading. — Shifting Cargoes. — Admission of Water.— Sail Area.— &c.
Seite 52 - THE MEAN DENSITY OF THE EARTH : An Essay to which the Adams Prize was adjudged in 1893 in the University of Cambridge. By JH POYNTING, Sc.D., FRS, Late Fellow of Trinity College, Cambridge; Professor of Physics, Birmingham University. In Large 8vo, with Bibliography, Illustrations in the Text, and Seven Lithographed Plates. 12s. 6d. " Cannot fail to be of GREAT and GENERAL INTEREST."— Athenteum.
Seite 41 - By Defective and Overloaded Safety Valves — (3) By Corrosion, Internal or External — (4) By Defective Design and Construction (Unsupported Flue Tubes ; Unstrengthened Manholes ; Defective Staying ; Strength of Rivetted Joints ; Factor of Safety) — II. CONSTRUCTION...
Seite 58 - ... It will admirably fulfil its purpose . . . useful to ship owners, ship superintendents, ship draughtsmen, and all interested in shipping." — Liverpool Journal of Commerce. " A mass of VERY USEFUL INFORMATION, accompanied by diagrams and illustrations, is given in a compact form.
Seite 54 - EDITION, Revised and Corrected. *»* Mr. Buck's Text-Book has been SPECIALLY PREPARED with a view to the New Examinations of the Board of Trade, in which Trigonometry is an obligatory subject. "This...
Seite 48 - Prof. SMITH'S CONVERSION-TABLES form the most unique and comprehensive collection ever placed before the profession. By their use much time and labour will be saved, and the chances of error in calculation diminished.
Seite 52 - Sound and its chief Characteristics.— The Velocity of Sound In Air and other Media.— Reflection and Refraction of Sound.— Frequency and Pitch of Notes.— Resonance and Forced Oscillations.— Analysis of Vibrations.— The Transverse Vibrations of Stretched Strings or Wires.— Pipes and other Air Cavities.— Rods.— Plates.