 | Kindergarten - 1917 - 590 pages
...as the only simple machines, but the simple mechanical powers have generally Ьееэ classified as the lever, the wheel and axle, the pulley, the inclined plane, the wedge, the screw. BEADS AS LAMPS After loading the train or car send it on its Journey but first place red,... | |
 | John Greaves - Statics - 1888 - 302 pages
...suppose the machines perfect ones, ie with efficiency equal to unity. 133. The simple machines are, — the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Screw and the Wedge. The principle of the wheel and axle is the same as that of the lever, and the... | |
 | William Bousfield - Education, Elementary - 1890 - 230 pages
...ancient and modern—Matter in motion—Force, inertia, friction, energy—The simple mechanical powers, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw ... ... ... 145 SCIENCE-TEACHING BY W. LANT CARPENTER, BA, B.Sc. SCIENCE-TEACHING I FEEL that it is... | |
 | William Bousfield - Education, Elementary - 1890 - 230 pages
...modern — Matter in motion — Force, inertia, friction, energy — The simple mechanical powers, viz. the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw ... ... ... 145 O oq L_ CD H4 01 CD ' O O o NG B.Sc. do o H 5 O IU o (Xi • vn o 0 SCIENCE-TEACHING... | |
 | John George Wood - Acrostics - 1891 - 840 pages
...•velocities, and we find it exemplified in every machine. There are six simple machines, namely, the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw. They are called the Six Mechanical Powers. Every machine, however complicated, is merely formed of... | |
 | Vincent Thomas Murché - Science - 1894 - 404 pages
...simple machines, can be grouped under six heads, and are spoken of as the mechanical powers. They are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. The lever, the pulley, and the inclined plane are the simplest of all, and are known as primary machines.... | |
 | Elroy McKendree Avery - Physics - 1895 - 618 pages
...convert rapid motion into slow motion; eg, a crowbar. There are six simple ma- Fi °- 70 chines, — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. power signifies the magnitude of the force that acts upon one part of the machine ; the weight signifies... | |
 | Elroy McKendree Avery - Physics - 1895 - 630 pages
...convert rapid motion into slow motion; eg, a crowbar. There are six simple ma- Fl °- 70 chines, — the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. power signifies the magnitude of the force that acts upon one part of the machine ; the weight signifies... | |
 | Vincent T. Murché - 1896 - 408 pages
...simple machines, can be grouped under six heads, and are spoken of as the mechanical powers. They are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. The lever, the pulley, and the inclined plane are the simplest of all, and are known as primary machines.... | |
 | New York (State). Legislature. Assembly - New York (State) - 1897 - 864 pages
...other parts, and describing their habits. Give some knowledge of the principles and applications of the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. Let the pupil study the principal races of men, their physical and mental characteristics, and their... | |
| |
MECHANICAL POWERS are certain simple instruments employed in raising greater weights, or overcoming greater resistance than could be effected by the direct application of natural strength. They are usually accounted six in number; viz. the Lever, the... 
