 | 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.... | |
 | 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... | |
 | 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... | |
 | 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... | |
 | Calvin Tracy - Arithmetic - 1840 - 326 pages
...effect of a given power, are called Mechanical Powers. The mechanical powers are six in number, viz. the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Screw, and the Wedge. The lever is a bar, mov- FIG. 1. able about a fixed point. It is represented at Fig. 1. P represents... | |
 | Charles Davies - Geometrical drawing - 1840 - 262 pages
...MECHANICAL POWERS. 1. There are six simple machines, which are called Mfclianical powers. They are, the Lever, the Pulley ', the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. 2. To understand the power of a machine, four things must 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... | |
 | George Mogridge - 1843 - 188 pages
...anything about them ?" " Not a great deal. I know that what are called the six mechanical powers are the lever, the pulley, the wheel and axle, the inclined plane, the wedge, and the screw." " I cannot think how you have contrived to learn all these things. Please to... | |
 | Richard Green Parker - 1844 - 276 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. 203. What are the mechanical powers ? 204. How many things are to be considered... | |
 | Carl Friedrich Peschel - Physics - 1845 - 176 pages
...considerable force to impart a great velocity to a small body. There are six simple machines, viz. the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. All the different compound machines, which have been or that can be constructed,... | |
| |
The lever, the pulley, the wheel, and axle, the inclined plane, the wedge, and the screw. 
