 | Thomas Dick - Philosophy and religion - 1869 - 664 pages
...bodies; and 6, the weight of heavy bodies. There are generally reckoned six mechanical powers, namely the lever — the pulley — the wheel and axle — the inclined plane — the wedge — and the screw. — It is the opinion of many respectable philosophers, that all tho mechanical... | |
 | Michigan. Legislature - Michigan - 1868 - 1338 pages
...motion and velocity, compound motion, motions resulting from two forces, momentum, centre of gravity, the lever, the pulley, the wheel and axle, the inclined plane, the wedge and the screw, friction, hydrostatics, and the pressure of fluids, have been committed to memory,... | |
 | Franz Reuleaux - Technology & Engineering - 1876 - 648 pages
...which compound machines can be resolved. These simple machines are seven in number, viz., the cord, the lever, the pulley, the wheel and axle, the inclined plane, the wedge, and the screw. They arc also called machine organs or mechanical powers. Many writers do not... | |
 | Henry Kiddle - Physics - 1883 - 296 pages
...by it* relocity is er1inil to the weight multiplied by it* celocity. 37. The six simple machines are the lever, the pulley, the wheel and axle, the Inclined plane, the wedge, and the screw. 38. The lever is an inflexible bar, straight or curved, resting on a fixed point... | |
 | Stephen Roper - Mechanical engineering - 1888 - 702 pages
...six simple machines or elements, commonly called mechanical powers. The six elements are respectively the lever, the pulley, the wheel and axle, the inclined plane, the wedge and the screw. Though they are not powers, or, in other words, sources of power or force, yet... | |
 | Edward Richard Shaw - Physics - 1891 - 342 pages
...left-hand threads ? Why must a turn-buckle have a right-hand and a lefthand thread ? SUMMARY. There are six Mechanical Powers: The Lever, the Pulley, the Wheel, and Axle, the Inclined Plane, the Wedge, and the Screw. There are three kinds of Levers : First Class, with the Fulcrum between Power... | |
 | Edward John Routh - Elastic rods and wires - 1891 - 428 pages
...powers. Though given variously by different authors, they are generally said to be six in number, viz. the lever, the pulley, the wheel and axle, the inclined plane, the wedge and the screw*. Mechanical advantage. In the simplest cases they are usually considered as acted... | |
 | Charles Wesley Mann - Amusements - 1896 - 364 pages
...well if all the ungraded schools were supplied with simple forms of these elements of machinery — the lever, the pulley, the wheel and axle, the inclined plane, the screw, and the wedge. To these might be added a set of simple pendulums. The explanation of the principle of the mechanical... | |
 | Edward John Routh - Potential theory (Mathematics) - 1896 - 412 pages
...powers. Though given variously by different authors, they are generally said to be six in number, viz. the lever, the pulley, the wheel and axle, the inclined plane, the wedge and the screw*. Mechanical advantage. In the simplest cases they are usually considered as acted... | |
 | Edward Richard Shaw - 1901 - 342 pages
...left-hand threads ? Why must a turn-buckle have a right-hand and a lefthand thread ? SUMMARY. There are six Mechanical Powers : The Lever, the Pulley, the Wheel, and Axle, the Inclined Plane, the Wedge, and the Screw. There are three kinds of Levers : First Class, with the Fulcrum between Power... | |
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The lever, the pulley, the wheel, and axle, the inclined plane, the wedge, and the screw. 
