Elementary Introduction to Practical Mechanics: Illustrated by Numerous ExamplesLongmans, 1870 - 324 pages |
From inside the book
Results 6-10 of 63
Page 47
... motion or mechanism , which treats of the forms of machines , and in which ma- chines are regarded merely as modifiers of motion . Into all questions which are properly mechanical the idea of force must enter . Force may be defined ...
... motion or mechanism , which treats of the forms of machines , and in which ma- chines are regarded merely as modifiers of motion . Into all questions which are properly mechanical the idea of force must enter . Force may be defined ...
Page 48
... motion , or the change of motion , that ensues in a body or system of bodies subjected to the action of a force or forces that are not in equilibrium . 25. Determination of a Force . From what has al- ready been said , it appears that ...
... motion , or the change of motion , that ensues in a body or system of bodies subjected to the action of a force or forces that are not in equilibrium . 25. Determination of a Force . From what has al- ready been said , it appears that ...
Page 51
... motion which r tends to communicate to the body be prevented by the fixed plane ; that fixed plane must supply a force ( R ) which exactly balances r ; and the body AB is really compressed between two forces R and T , of which the ...
... motion which r tends to communicate to the body be prevented by the fixed plane ; that fixed plane must supply a force ( R ) which exactly balances r ; and the body AB is really compressed between two forces R and T , of which the ...
Page 64
... motion , and this is called the weight , the other force which produces the motion is called the power . When the lever is in equilibrium the moments of the power and the weight with reference to the fulcrum must be equal ; and , of ...
... motion , and this is called the weight , the other force which produces the motion is called the power . When the lever is in equilibrium the moments of the power and the weight with reference to the fulcrum must be equal ; and , of ...
Page 130
... motion , in the latter it cannot ; and thus in the case we have supposed the sur- face A B can supply a reaction in any required direction which makes an angle less than 10 ° 45 ′ with the normal , i . e . the perpendicular , to the ...
... motion , in the latter it cannot ; and thus in the case we have supposed the sur- face A B can supply a reaction in any required direction which makes an angle less than 10 ° 45 ′ with the normal , i . e . the perpendicular , to the ...
Common terms and phrases
ABCD angle of resistance angular angular velocity axis axle beam body brickwork cast iron centre of gravity circle circumference coefficient of friction Crown 8vo cubic foot curve cylinder described determine the number diameter direction distance draw Edition engine epicycloid equal equation equilibrium expended extrados forces acting formula friction frustum given hence horizontal horse-power inclined inclined plane last Example length limiting angle magnitude mass middle point minute modulus moment of inertia motion moving number of units oscillation P₁ parallel forces passing perpendicular plane pressure principle principle of moments Prop pulley R₁ radius raised reaction represent respectively rest resultant right angles rope round screw sliding space square inch steam suppose surface teeth thick thread tion triangle vertical vols wall weight wheel Woodcuts wrought iron
Popular passages
Page 11 - BIBLE ANIMALS ; being a Description of every Living Creature mentioned in the Scriptures, from the Ape to the Coral.
Page 16 - Useful Information for Engineers. By the same Author. FIRST, SECOND, and THIRD SERIES, with many Plates and Woodcuts. 3 vols. crown 8vo. 10s. 6<f. each. The Application of Cast and "Wrought Iron to Building Purposes. By the same Author.
Page 22 - Visits to Remarkable Places : Old Halls, Battle-Fields, and Scenes illustrative of Striking Passages in English History and Poetry. By WILLIAM HOWITT. 2 vols. square crown 8vo. with Wood Engravings, 25s.
Page 21 - The ALPINE GUIDE. By JOHN BALL, MRIA late President of the Alpine Club. Thoroughly Revised Editions, in Three Volumes, post Svo. with Maps and other Illustrations:— GUIDE to the WESTERN ALPS, including Mont Blanc, Monte Rosa, Zermatt, &c.
Page 7 - SYDNEY SMITH'S MISCELLANEOUS WORKS; including his Contributions to the Edinburgh Review. Crown 8vo. 6s. The WIT and WISDOM of the Rev. SYDNEY SMITH ; a Selection of the most memorable Passages in his Writings and Conversation.
Page 25 - Sea-Fisherman: comprising the Chief Methods of Hook and Line Fishing in the British and other Seas, a glance at Nets, and remarks on Boats and Boating. Second Edition, enlarged, with 80 Woodcuts.
Page 2 - The Seventh Great Oriental Monarchy ; or, a History of the Sassanians : with Notices Geographical and Antiquarian. By Geo. Rawlinson, MA With Map and 95 Illustrations. 8vo. 28s. Encyclopedia of Chronology, Historical and Biographical; comprising the Dates of all the Great Events of History, including Treaties, Alliances, Wars, Battles, &c.
Page 21 - History of Discovery in our Australasian Colonies, Australia, Tasmania, and New Zealand, from the Earliest Date to the Present Day. By WILLIAM HOWITT. With 3 Maps of the Recent Explorations from Official Sources. 2 vols. 8vo. 20s. The Capital of the Tycoon ; a Narrative of a 3 Years
Page 16 - PRACTICAL TREATISE on METALLURGY, adapted from the last German Edition of Professor KERL'S Metallurgy by W.
Page 21 - Either of the Three Volumes or Parts of the Alpine Guide may be had with this INTRODUCTION prefixed, price Is.