 | Levi Washburn Leonard - Science - 1830 - 350 pages
...overcome such resistances as his natural strength could never effect without them. They are six in number, the lever, the pulley, the wheel and axle, the inclined plane, the wedge, and the screw, one or more of which enters into the composition of every machine. In order to understand the power... | |
 | 1832 - 650 pages
...powers. They are six in number, one or more of which enters into the composition of every machine. The lever, the pulley, the wheel and axle, the inclined plane, the wedge, and the screw. In order to understand the power of a machine, there are four things to be considered. 1st. The power... | |
 | Physics - 1832 - 642 pages
...They are six in number, one or more of which enters into the composition of every machine. The ¡ever, the pulley, the wheel and axle, the inclined plane, the wedge, and the screw. In order to understand the power of a machine, there are four things to be considered. 1st. The power... | |
 | New York (State). Legislature. Assembly - New York (State) - 1834 - 944 pages
...greater resistances than the power of man could perform. These contrivances are the simple lever and the pulley, the wheel and axle, the inclined plane, the wedge and the screw, and all are much used for the purpose of varying the velocity of the power by those arrangements so... | |
 | Ireland commissioners of nat. educ - 1835 - 398 pages
...body than the light one. LESSON IV. ON THE MECHANIcAL POWERS. There are six mechanical powers, viz : the lever, the pulley, the wheel and axle, the inclined plane, the wedge and the screw. One or more of these enters into the composition of every machine. In order to understand the power... | |
 | John Abbott - Hydraulic engineering - 1835 - 140 pages
...mechanical powers, we come to treat of them, and they are six in number, viz. The Lever, the Pulle}r, the Wheel and Axle, the Inclined Plane, the Wedge and the Screw. They are called Mechanical Powers, because they increase our power of raising or moving heavy bodies.... | |
 | Readers (Elementary) - 1836 - 424 pages
...the heavy body than the light one. ON THE MECHANICAL POWERS. There are six mechanical powers, viz. the lever, the pulley, the wheel and axle, the inclined plane, the wedge and the screw. One or more of these enters into the composition of every machine. In order to understand the power... | |
 | Richard Green Parker - Physics - 1838 - 266 pages
...powers which enter into the construction of the machine. 206. There are six mechanical powers, namely, the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. 207. Tne Lever* is an inflexib|e* bar, movab|e on a fu|crum, or prop. 209. In a lever of the first... | |
 | Jane Marcet - 1839 - 544 pages
...in number, one or more of which enters into the composition of every machine. The lever, the pvlley, the wheel and axle, the inclined plane, the wedge, and the screw. ;1 • In order to understand the power of a machine, there'are four things to be considered. 1st.... | |
 | James Renwick - Mechanical engineering - 1840 - 338 pages
...practical mechanics may be either simple or compound. The simple machines are only six in number, viz., the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw.* Compound machines are made up of the mechanic powers, combined with each other in various ways, and... | |
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The lever, the pulley, the wheel, and axle, the inclined plane, the wedge, and the screw. 
