 | Richard Green Parker - Physics - 1849 - 418 pages
...powers which enter into the construction of the machine.* 79. There are six mechanical powers, namely, the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. 80. The Leverf is an inflexible bar, moveable on a fulcrum, or prop. There are three kinds of levers,... | |
 | Charles Davies - Arithmetic - 1850 - 412 pages
...MECHANICAL POWERS.* 351. There are six simple machines, which are called Mechanical powers. They are, the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. 352. To understand the power of a machine, four, things must be considered. 1st. The power or force... | |
 | Richard Green Parker - Physics - 1850 - 408 pages
...powers which enter into the construction of the machine.* 79. There are six mechanical powers, namely, the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. 80. The Leverf is an inflexible bar, moveable on a fulcrum, or prop. There are three kinds of levers,... | |
 | Robert Walker - Hydrostatics - 1851 - 230 pages
...machines, or, as they are sometimes called, the mechanical powers, as six in number, viz. the lever, the wheel and axle, the inclined plane, the wedge, and the screw. 102. But these six may be reduced to the following three classes. 1. Those in which there is employed... | |
 | Charles Davies - Arithmetic - 1852 - 422 pages
...MECHANICAL POWERS.* 351. There are six simple machines, which are called Mechanical powers. They are, the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. 352. To understand the power of a machine, four things must be considered. 1st. The power or force... | |
 | Richard Green Parker - Physics - 1852 - 200 pages
...powers which enter into the construction of the machine.' 79. There are six mechanical powers, namely, the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. 80. The Leverf is an inflexible bar, moveable on a fulcrum, or prop. There are three kinds of levers,... | |
 | Charles Davies - Arithmetic - 1852 - 438 pages
...MECHANICAL POWERS.* 351. There are six simple machines, which are called Mechanical powers. They are, the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screiv. 352. To understand the power of a machine, four things must be considered. 1st. The power or... | |
 | George Grant - 1852 - 260 pages
...mechanical powers 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 screw. Jn order that we may understand the power of a machine, there are four things which claim our... | |
 | Charles Haslett - Engineering - 1855 - 482 pages
...THE 'MECHANICAL POWERS, AND THEIR APPLICATION. THE gimple Mechanical Powers are six in number, viz. the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge,, sa\& the Screw. All machines are formed b,y combinations to, a greater or less extent of these six... | |
 | Charles W. Hackley - Engineering - 1856 - 530 pages
...THE MECHANICAL POWERS, AND THEIR APPLICATION. THE simple Mechanical Powers are six in number, viz. the Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. All machines are formed by combinations to a greater qr less extent of these six elements. The mechanical... | |
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The lever, the pulley, the wheel, and axle, the inclined plane, the wedge, and the screw. 
