 | Denison Olmsted - 1861 - 492 Seiten
...ways. Machines are divided into simple and compound. The following are the most common simple machines. 1. The Lever; 2. The Wheel and Axle • 3. The Pulley ; 4. The Rope Machine; 5. The Inclined Plane: 6. TheWedqe; 1. The Screw / 8. The JKhee-Jbint, or Combined Levers.... | |
 | James Hamblin Smith - 1868 - 102 Seiten
...pushing and ropes used in pulling, but what are called The Simple Machines, or Mechanical Powers, are 1. The Lever. 2. The Wheel and Axle. 3. The Pulley....4. The Inclined Plane. 5. The Screw. 6. The Wedge. THE LEVER. 2. A rigid rod capable of turning round a fixed point in the rod is called a Lever. The... | |
 | James Hamblin Smith - 1871 - 148 Seiten
...pushing, and ropes used in pulling, but what are called The Simple Machines, or Mechanical Powers, are 1. The Lever. 2. The Wheel and Axle. 3. The Pulley....4. The Inclined Plane. 5. The Screw. 6. The "Wedge. 84. THE LEVER. We have already defined a Lever as a rigid rod, capable of turning round a fixed point... | |
 | George Ripley, Charles Anderson Dana - 1875 - 900 Seiten
...they are often called, the simple mechanical powers, have generally been divided into six classes, viz.: 1, the lever; 2, the wheel and axle; 3, the pulley; 4, the inclined plane: 5, the wedge ; 6, the screw. — 1. The Leter. This power may bo defined as an inflexible bar resting on a... | |
 | J Alfred Skertchly - 1873 - 184 Seiten
...constitute the basis of all machinery, whether simple or complex. They are six in number, namely, — 1, The Lever; 2, The Wheel and Axle; 3, The Pulley; 4, The Inclined Plane; 5, The Wedge; and, 6, The Screw. These six elements of machinery are extremely simple when compared with the... | |
 | George Ripley, Charles Anderson Dana - 1875 - 912 Seiten
...they are often called, the simple mechanical powers, have generally been divided into six classes, viz. : 1, the lever ; 2, the wheel and axle; 3, the pulley; 4, the inclined plane: 5, the wedge ; 6, the screw. — 1. The Lerer. This power may be defined as an inflexible bar resting on a... | |
 | Sidney Augustus Norton - 1875 - 302 Seiten
...power." 110. All machinery may be comprised in six elementary forms, called simple machines. These are (1) the lever, (2) the wheel and axle, (3) the pulley, (4) the inclined plane, (5) the wedge, (6) the screw. We shall study only the most important varieties of these. 111. A lever is an... | |
 | Frederick Hungerford Bowman - 1882 - 352 Seiten
...number, although several of them are really only more complicated forms of the others. They are — (1) the lever ; (2) the wheel and axle ; (3) the pulley ; (4) the inclined plane ; (5) the screw ; (G) the wedge. They might, as we shall afterwards see, be reduced to the lever, the pulley, and the... | |
 | W. H. F. Henry - 1899 - 440 Seiten
...the products of nature. 60. Name the six elementary forms of all machines f The simple machines are (1) the lever, (2) the wheel and axle, (3) the pulley, (4) the inclined plane, (5) the wedge, (6) the screw. A combination of two or more of these constitutes a compound machine. There are... | |
 | Nehemiah Hawkins - 1901 - 354 Seiten
...divided into simple and compound. The simple machines or what are commonly called MECHANICAL POWEKS, are six in number; viz. : 1. The lever. 2. The wheel...4. The inclined plane. 5. The screw. 6. The wedge. These can in turn be reduced to three classes: I. A solid body turning on an axis. II. A flexible cord.... | |
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MECHANICAL POWERS, are six in number ; viz. 1 . The Lever ; 2 The Wheel and Axle ; 3. The Pulley ; 4. The Inclined Plane ; 5 The Screw; 6. The Wedge. 
