 | George Combe - 1834 - 144 sider
...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. On the... | |
 | John Radford Young - 1834 - 302 sider
...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... | |
 | Luke Hebert - 1835 - 938 sider
...smeared with it. M. MACHINE signifies anything used to augment or regulate force or motion. The simplest machines, namely, the lever, the wheel and axle, the...pulley, the inclined plane, the wedge and the screw, are usually denominated the mechanical powers, since all machinery is necessarily compounded of some... | |
 | John Bonnycastle - 1835 - 308 sider
...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... | |
 | Frederick Emerson - 1835 - 300 sider
...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 JVedge, and the Screw. The advantage gained by the use of the mechanical powers, does not consist in... | |
 | Luke Hebert - 1836 - 942 sider
...smeared with it. M. MACHINE signifies anything used to augment or regulate force or motion. The simplest machines, namely, the lever, the wheel and axle, the...pulley, the inclined plane, the wedge and the screw, are usually denominated the mechanical powers, since all machinery is necessarily compounded of some... | |
 | William Grier - 1836 - 384 sider
...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... | |
 | William Grier - 1836 - 380 sider
...machines, or those of which all others are constructed, are usually reckoned six : the lever, the wiieei and axle, the pulley, the inclined plane, the wedge, and the screw. To these \hefunicular machine is sometimes added. 3. The weight signifies the body to be moved, or... | |
 | R T. Linnington - 1837 - 274 sider
...that on which all the other mechanical powers depend. The Mechanical Powers are six in number; viz., the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw: in the various combinations of these all machines exist. The Lever is chiefly used to raise heavy weights... | |
 | Leonard Dunnell Gale - 1838 - 308 sider
...as long to lift it through the same H»ce. LXXII. There are usually reckoned six mechanical powers : the lever ; the wheel and axle ; the pulley ; the inclined plane ; the wedge ; and the screw. THE LEVER. LXXIII. THE LEVER is a bar of iron or wood, supported by and moveable on a round centre... | |
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These simple machines are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. 
