 | T. Baker - 1851 - 160 pages
...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... | |
 | Johann Georg Heck - 1851 - 712 pages
...simple arrangements of which all machinery is compounded. Of these, six are generally distinguished : the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. All these, however, may strictly be reduced to two — the lever and the inclined... | |
 | Thomas Baker (C.E.) - 1851 - 176 pages
...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... | |
 | Thomas Baker - 1851 - 188 pages
...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... | |
 | Denison Olmsted - 1851 - 492 pages
...friction? What ftre the methods of diminishing friction ? Specify the comparative amount of friction in the lever, the wheel and axle, the pulley, the inclined plane. the friction evidently exceeds the resistance ; otherwise they would not retain their position. 171. Friction... | |
 | 1851 - 716 pages
...simple arrangements of which all machinery is compounded. Of these, six are generally distinguished: the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. All these, however, may strictly be reduced to two — the lever and the inclined... | |
 | Lorenzo Fairbanks - 1875 - 472 pages
...great force acting through a small space, or vice versa. They are usually considered to be six; namely, the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. But, properly, two of these, comprise the whole, — the Wheel and Axle and the... | |
 | John Heywood (ltd.) - 1875 - 232 pages
...some combination of the simple machines, called the mechanical powers ; these are six in number — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. Everyone has seen men raising a stone by means of a bar of iron. This bar is... | |
 | Richard Wormell - 1876 - 282 pages
...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 pages
...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... | |
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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. 
