 | Frederick Augustus Griffiths - 1840 - 436 pages
...weights, or overcoming greater resistances than could be effected by the natural strength without them. They are usually accounted Six in number ; viz. :...; the Inclined Plane ; the Wedge ; and the Screw. Weight, and Power when opposed to each other, signify the body to be moved, and the body that moves... | |
 | Thomas Dick - 1840 - 370 pages
...machines, the principles on which their energy depends ; the properties of the mechanical powers — the lever, the wheel, and axle, the pulley, the inclined plane, the wedge and the screw — and the effects resulting from their various combinations. From the investigations of philosophers... | |
 | 1837 - 800 pages
...lever, the cord, and the inclined plane. They have been, however, differently enumerated by others ; viz., the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw, being six in number. The first class in eludes every machine which is composed of a solid body revolving... | |
 | George Leonard (jr.) - Arithmetic - 1841 - 352 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 tcrew, and the wedge. The force that raises a weight, or overcomes a resistance, is called the power.... | |
 | Benjamin Greenleaf - Arithmetic - 1841 - 334 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 - Arithmetic - 1841 - 354 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.... | |
 | Frederick Emerson - Arithmetic - 1842 - 296 pages
...overcoming greater resistance than could be effected by the direct application of natural strength. They are usually accounted six in number; viz. the...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... | |
 | 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... | |
 | 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... | |
 | John Bonnycastle - Measurement - 1842 - 318 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,-... | |
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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... 
