It is obvious that a great addition is made to human lxiwer, where the agents for creating momentum have been discovered. But this is not all. There may be formed several combinations of matter, by which mere human force may be greatly assisted, and which,... The Elements of Political Economy - Page 67by Francis Wayland - 1837 - 472 pagesFull view - About this book
| Sir John Leslie - 1829 - 556 pages
...cords, has been named the Funicular Machine ; the latter include the five ordinary mechanical powers — the Lever, the Wheel and Axle, the Inclined Plane, the Screw, the Wedge, and the Pulley. We shall consider these several instruments in their order. . 1. The Concentrator... | |
| Francis Wayland - 1838 - 442 pages
...natural agents by which momentum is APPLIED. It is obvious, that a great addition is made to human power, where the agents for creating momentum have been discovered....wheel and axle, the inclined plane, the screw, the pully, and the wedge. They are variously combined, for producing the different results of mechanics,... | |
| Alonzo Potter - 1841 - 484 pages
...few simpler machines, commonly called the mechanical powers. Under this head are usually enumerated the lever, the wheel and axle, the inclined plane, the screw, the wedge, the pulley and rope. Of the lever, we have examples in the common crowbar and handspike ; in... | |
| Francis Wayland - 1854 - 444 pages
...momentum have been discovered. But this is not all. Several combinations o f matter may be formed, by which mere human force may be greatly assisted,...Natural Philosophy. In their simple form, they are the lev«!r, the wheel and axle, the inclined plane, the screw, the pulley, and the wedge. They are variously... | |
| Joel Dorman Steele - 1869 - 350 pages
...belts, cranks, and pistons, are only various modifications of some of the six elementary forms — viz., the lever, the wheel and axle, the inclined plane, the screw, the wedge, and the pulley. These six may be still farther reduced to the lever and inclined plane. They... | |
| Joel Dorman Steele - 1871 - 348 pages
...belts, cranks, and pistons, are only various modifications of some of the six elementary forms—viz., the lever, the wheel and axle, the inclined plane, the screw, the wedge, and the pulley. These six may be still further reduced to the lever and inclined plane. They... | |
| Joel Dorman Steele - 1871 - 350 pages
...belts, cranks, and pistons, are only various modifications of some of the six elementary forms — viz., the lever, the wheel and axle, the inclined plane, the screw, the wedge, and the pulley. These six may be still further reduced to the lever and inclined plane. They... | |
| Joel Dorman Steele - 1878 - 324 pages
...its belts, cranks and pistons, are only various modifications of some of the six elementary forms — the lever, the wheel and axle, the inclined plane, the screw, the wedge, and the pulley.* They are often termed the Mechanical Powers, but they do not produce work ;... | |
| Joel Dorman Steele - 1878 - 322 pages
...SUMMARY. All machines can be resolved into one or more elementary forms. Of these there are six, viz., the lever, the wheel and axle, the inclined plane, the screw,, the wedge and the pulley. Though called the mechanical powers, they are only instruments by which we can... | |
| Joel Dorman Steele - 1888 - 404 pages
...P. SUM MARY. ALL machines can be resolved into a few elementary forms. Of these there are six, viz., the lever, the wheel and axle, the inclined plane, the screw, the wedge, and the pulley. Though called the mechanical powers, they are only instruments by which we can... | |
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