 | Benjamin Greenleaf - Arithmetic - 1841 - 314 pages
...The body which receives motion from another, is called the weight. The mechanical powers are five, the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Screw and the Wedge. LEVER. The lever is a bar, movable about a fixed point, called its fulcrum or... | |
 | George Leonard - 1841 - 350 pages
...MACHINES, OFTEN CALLED MECHANICAL POWERS. LESSON 194. There are usually reckoned six simple machines ; the lever, the wheel and axle, the pulley, the inclined plane, the Screw, and the wedge. The force that raises a weight, or overcomes a resistance, is called the power.... | |
 | Denison Olmsted - Physics - 1842 - 384 pages
...the Egyptians. The elements of machinery are found in what are called the Mechanical Powers. They are six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Screw, and the Wedge. THE LEVEH. 117. The LEVER is an inflexible bar or rod, some point of which being... | |
 | William Grier - Mechanical engineering - 1842 - 320 pages
...other. 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. 3. The weight signifies the body to be moved, or... | |
 | Frederick Emerson - Arithmetic - 1842 - 288 pages
...resistance than could be 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, trie Wedge, and the Screw. The advantage gained by the use of the mechanical powers, does not consist... | |
 | John Bonnycastle - Measurement - 1842 - 314 pages
...containing the principal problems in lirunton's Mechania: — that is, Falling Bodies,- the Pendulum.- tJie Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, end the Screw, which are usually called the six Mechanical Powert i Velocity of Wheels .- Steam Engine,-... | |
 | 1844 - 1128 pages
...machinery, produced by Ħin, however complex or intricate, each movement can be reduced to the influence of the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw, and even some of these are but compounded of others. There is a grand axiom to be considered in the... | |
 | Samuel Griswold Goodrich - Astronomy - 1844 - 370 pages
...simplification or alteration. They are but six in number ; and the names by which they are distinguished are, the LEVER, the WHEEL AND AXLE, the PULLEY, the INCLINED PLANE, the WEDGE, and the SCREW. Out of the whole, or a part, of these, it will be found that every mechanical engine, or piece of machinery,... | |
 | Samuel Griswold Goodrich - Biography - 1844 - 344 pages
...simplification or alteration. They are but six in number ; and the names by which they are distinguished are, the LEVER, the WHEEL AND AXLE, the PULLEY, the INCLINED PLANE, the WEDGE, and the SCREW. Out of the whole, or a part, of these, it will be found that every mechanical engine, or piece of machinery,... | |
 | William Templeton (engineer.) - 1845 - 210 pages
...with the exertion of less power or strength than is necessary without them. They are usually accounted six in number, viz., the lever, the wheel and axle,...pulley, the inclined plane, the wedge, and the screw; but properly two of these comprise the whole, namely, the lever and inclined plane, — the wheel and... | |
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MECHANICAL POWERS are certain simple instruments employed in raising greater weights, or overcoming greater resistance than could be effected by the direct application of natural strength. They are usually accounted six in number; viz. the Lever, the... 
