| John Hundley - 2003 - 154 pages
...fascinating machine exemplifying all the mechanical principles found in our modern factories. We find the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw. These all cooperate harmoniously to perform the motions upon which our life and comfort depend. But... | |
| Science - 2005 - 758 pages
...no matter how complicated, can be re duced to some combinations of six basic, or simple, machines. The lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw were all known to the ancient Greeks, who learned that a machine works because an "effort," which is... | |
| Godfrey Onwubolu - Technology & Engineering - 2005 - 672 pages
...elementary mechanisms having the elements of which all machines are composed. Included in this category are the lever, the wheel and axle, the pulley, the inclined plane, the wedge and the screw. The similarity between machines and mechanisms is that: • they are both combinations of rigid bodies;... | |
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