 | James Hann, Isaac Dodds - 1833 - 234 σελίδες
...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,... | |
 | John Radford Young - 1834 - 302 σελίδες
...parts of all machinery are called the mechanical powers. These are six in number, and are as follow : the Lever, the Wheel and axle, the Pulley, the Inclined Plane, the Screw, and the Wedge. The Lever (75.) A lever is a rigid bar or rod, moveable about a fixed point or fulcrum, and it is divided... | |
 | Olinthus Gregory - 1834 - 484 σελίδες
...are often employed separately, are called Mechanical Powers. Z. 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... | |
 | Frederick Emerson - 1834 - 300 σελίδες
...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... | |
 | George Combe - 1834 - 144 σελίδες
...bodies. Cohesive attraction. Capillary attraction. Gravitation. Laws of motion. Mechanical powers. The lever. The wheel and axle. The pulley. The inclined plane. The wedge. The screw. Mechanical properties of fluids. Specific gravity. Mechanical properties of air.... | |
 | Luke Hebert - 1835 - 938 σελίδες
...construction of the various parts of machinery : they are usually considered to be six in number ; viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. It may be easily shewn, however, that these are capable of being reduced to greater... | |
 | John Bonnycastle - 1835 - 308 σελίδες
...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... | |
 | William Grier - 1836 - 384 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... | |
 | Luke Hebert - 1836 - 942 σελίδες
...construction of the various parts of machinery : they are usually considered to be six in number ; viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. It may be easily shewn, however, that these are capable of being reduced to greater... | |
 | Denison Olmsted - 1837 - 374 σελίδες
...the great Pyramid of Egypt. Compare the labor of a man aided by the steam engine with the Egyptians. the Wheel and Axle, the Pulley, the Inclined Plane, the Screw, and the Wedge. THE LEVER. 117. The LEVER is an inflexible bar or rod, some point of which being supported, the rod itself... | |
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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. 
