 | Thomas Dick - 1840 - 370 σελίδες
...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 σελίδες
...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... | |
 | Benjamin Greenleaf - 1841 - 334 σελίδες
...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 - 354 σελίδες
...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.... | |
 | George Leonard (jr.) - 1841 - 352 σελίδες
...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.... | |
 | William Grier - 1842 - 320 σελίδες
...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 - 1842 - 384 σελίδες
...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 - 1842 - 318 σελίδες
...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,-... | |
 | Samuel Griswold Goodrich - 1844 - 344 σελίδες
...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 - 1844 - 370 σελίδες
...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,... | |
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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. 
