 | T. Baker - 1851 - 160 σελίδες
...change the direction of any force. The mechanical powers are usually considered six in number ; — the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. The first three, when in a state of equilibrium, may be reduced to the lever... | |
 | Septimus Norris - 1852 - 356 σελίδες
...raise, through a less space, aweight heavier than itselfPower is gained at the expense of space, by the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screwLEVER Case 1- — When the fulcrum of the lever is between the power and the weightRULE... | |
 | 1852 - 844 σελίδες
...conceptions of the nature of power, and what it is to which we apply that term. For instance, we speak of the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge and the Screw as " Mechanical Powers." And although no one, who stops to think carefully upon... | |
 | Jacques Eugène Armengaud (the Elder.), William Johnson - 1853 - 416 σελίδες
...elevate loads, or to evercome resistances. The simple machines are generally considered to be six — the lever, the wheel and axle, the pulley, the inclined plane, the screw, and the wedge. A much more scientific and comprehensive arrangement of the elementary machines, is that lately suggested... | |
 | Daniel Leach - 1853 - 622 σελίδες
...breadth at the beam ? MECHANICAL POWERS. SECTION XLVI. 394. THERE are six mechanical powers, viz., the lever, the wheel and axle, the pulley, the inclined plane, the screw, and the wedge. What is the government rule for finding the tonnage of vessels ? How many mechanical powers are there... | |
 | Thomas Tate - 1853 - 396 σελίδες
...the number of times that the weight is greater than the power. There are six mechanical powers, — the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. THE LEVER. 114. A lever is a rigid rod, moveable about a fixed point, called... | |
 | Richard Wormell - 1876 - 282 σελίδες
...simple machines are called mechanical powers. They are usually considered to be six in number; namely, the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. (i.) A lever is an inflexible rod moveable only about a fixed axis, which is... | |
 | Franz Reuleaux - 1876 - 650 σελίδες
...on this subject. We may give a few specimens of them : — Poppe, Maschinenkunde (1821), p. 81 : — "The lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw are included under the name simple machines, simple engines (Ruttzeuge) or mechanical... | |
 | James Thomson Bottomley - 1877 - 152 σελίδες
...form excellent examples of the application of the liplcs of statics. The six mechanical powers are.— the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. Of these the wheel and axle is only a modification of the lever, and the wedge... | |
 | Joseph David Everett - 1877 - 344 σελίδες
...applications of the foregoing principles; and we shall begin with the so-called "mechanical powers," namely, the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. 58. Problems relating to the lever are usually most conveniently solved by taking... | |
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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. 
