 | Jeremiah Joyce - Science - 1829 - 278 pages
...vain to expect you to comprehend the principles of mechanics. There are six mechanical powers. The lever ; the wheel and axle ; the pulley ; the inclined plane ; the wedge; and the screw. Emma. Why are they called mechanical powers? ,« Father. Because, by their means we are enabled mechanically... | |
 | Samuel Greatheed, Daniel Parken, Theophilus Williams, Josiah Conder, Thomas Price, Jonathan Edwards Ryland, Edwin Paxton Hood - English literature - 1829 - 592 pages
...Author briefly describes the nature and properties of the six mechanical powers, — the lever, the K wheel and axle, the pulley, the inclined plane, the wedge, and the screw, and then their simple combinations. In proceeding to illustrate the practical application of these powers,... | |
 | William Pinnock - Emblems - 1830 - 576 pages
...certain instruments employed for supporting weights, and giving motion to bodies, are six, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw : all the latter, however, are but different modifications of the lever. * BALBEC, anciently called... | |
 | William Pinnock - Emblems - 1830 - 520 pages
...certain instruments employed for supporting weights, and giving motion to bodies, are six, viz. the lever, the -wheel and axle, the pulley, the inclined plane, the wedge, and the screw : all the latter, however, are but different modifications of the lever. * BALBEC, anciently called... | |
 | John Bonnycastle - Measurement - 1833 - 310 pages
...applications to increase force and overcome resistance. They are usually accounted six in number, viz. The Lever — The Wheel and Axle— The Pulley— The Inclined Plane — The Wedge — and the Screw. LEVER. To make the principle easily understood, we must suppose the lever an inflexible rod without... | |
 | William Grier - Mechanical engineering - 1832 - 366 pages
...2. The simple machines, or those of which all others are constructed, are usually reckoned six: the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. To these the funicular machine is sometimes added. THE LEVER. 4. A lever is an inflexible bar, either... | |
 | William Templeton (engineer.) - 1833 - 224 pages
...of the machine. The simple machines, usually called mechanic powers, are six in number, namely, the Lever, the "Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. There are three kinds of levers, caused by the different situations of the weights, props, and powers.... | |
 | James Hann, Isaac Dodds - Mechanics - 1833 - 234 pages
...great resistance, by a small force. The mechanical powers are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. i THE LEVEE. 35.- A Lever is an inflexible rod, moveable about a certtre of motion, or fulcrum, and... | |
 | Olinthus Gregory - Mathematics - 1834 - 472 pages
...often employed separately, are called Mechanical Powers. 2. Of these we usually reckon six : viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. To these, however, is sometimes added the funicular machine, being that which is formed by the action... | |
 | Frederick Emerson - Arithmetic - 1834 - 300 pages
...effected by the direct application of natural strength. They are usually accounted six in number; viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. The advantage gained by the use of the mechanical powers, does not consist in any increase of the quantum... | |
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These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. 
