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, Volume 1 |
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acting action angle applied approach arrangement axis bearing belt body brake carried centre coefficient of friction constant couple curves described determine diameter direction distance draw driving dynamometer efficiency engine equal equation Exam EXAMPLE experiments Explain faces feet figure fixed force gearing give given greater grooves Hence horizontal horse-power inches inclined increase involute joint journal leather LECTURE length lever load lubrication machine means measured method minute motion moving obtained ordinary pair parallel passing pinion pitch circle pivot plane position pressure Principle pulley rack radius ratio represents resistance respectively rolling rope rotation screw shaft shown side Sketch speed spring square inch Suppose surfaces taken teeth tension tooth train transmitted turn velocity vertical weight wheels
Popular passages
Page 240 - A cycloid is a curve traced out by a point on the circumference of a circle which rolls along a straight line. The form of this curve will be understood from the accompanying figure.
Page 1 - We may add to these principles a definition of a force, which is equally and absolutely complete : force is that which produces, or tends to produce, motion, or change of motion, in bodies.
Page 234 - The pitch of the teeth is the distance from the centre of one tooth to the centre of the next tooth, measured along the pitch line.
Page 34 - DEFINITION. — The Moment of a couple is the product of one of the equal forces into the arm.
Page 93 - It is worthy of mention that two opposite radial grooves were found to act better than three or four or any other number. t The true leverage of the chain is the actual leverage divided by the distance from the centre of the shaft to the centre of frictional resistance, which was assumed to be in this case 1 inch from the centre of the shaft. The centre of frictional resistance being assumed to be 1 inch from the centre of the shaft, we have : — F x 1 = S x L ie, the moment of frictioual resistance...
Page 242 - The cycloid is a curve generated by a point on the circumference of a circle which rolls on a straight line tangent to the circle.
Page 35 - Now, the moment of a couple about any point in its plane is equal to the product of one of its equal forces into the perpendicular distance between their directions.
Page 52 - Or, a machine may be defined to be a combination of resistant bodies whose relative motions are completely constrained, and by means of which the natural energies at our disposal may be transformed into any special form of work.
Page 18 - Of course, the student will readily see that it is not always necessary to construct a diagram of work before arriving at the answer. All that is necessary to know, is the mean resistance during the displacement. Thus, in the above example, the mean resistance is the arithmetical mean between the initial and final resistances. This, multiplied by the displacement. gives the answer. EXAMPLE IV. — Four cwts. of material are drawn from a depth of 80 fathoms by a rope weighing 1'15 Ibs. per linear...
Page 326 - ... of importance and should be considered for each case. The ropes commonly used for the transmission of power in factories or mills vary from 3 to 5 inches in circumference. No matter what the diameter of the pulley may be, ropes of 1| inches diameter should not be exceeded for main drives, and ij inches diameter for secondary drives.
Bibliographic information
| Title | 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, Volume 1 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, Andrew Jamieson Griffin's scientific textbooks |
| Author | Andrew Jamieson |
| Publisher | Charles Griffin, 1895 |
| Original from | Harvard University |
| Digitized | 28 Sep 2007 |
| Export Citation | BiBTeX EndNote RefMan |