 The wedge is a very great mechanical power, since not only wood, but even rocks, can be split by it ; which it would be impossible to effect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and...  The Accomplished Tutor: Or, Complete System of Liberal Education ... - Page 243by Thomas Hodson - 1802Full view - About this book
 | John Imison - 1796 - 476 pages
...power, fince not only wood but even rocks can be fplit by it : which would be impoffible to effeft by the lever, wheel and axle, or pulley : for the force of the blow, or ftroke, flukes the cohering parts, and thereby makes them feparate more eafily. The fcrew. The fixth... | |
 | Thomas Hodson - Arithmetic - 1806 - 488 pages
...largeft fhips, &c. The wedge has a very great mechanical force, and effects what would be impoffible by the lever, wheel and axle, or pulley; for the force...referred the axe or hatchet, the chifel, the fpade and fhovel, knives of all kinds; as alfo {he bodkin and needle, and all fort; of inftruments which, beginning... | |
 | William Nicholson - Natural history - 1809 - 700 pages
...power, since not only wood, but even rocks, can be split by it; which it would be impossible to eftect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily. The sixth and last... | |
 | William Nicholson - 1809 - 734 pages
...power, since not only wood, but even rocks, can be split by it; which it would be impossible to effect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily. The sixth and last... | |
 | William Butler - Arithmetic - 1811 - 548 pages
...oak J," but even the " ragged-fided rock" can be fplit by it ; which it would be impoffible to efFedl by the lever, wheel and axle, or pulley: for the force of the blow, orftroke, ihakes the cohering parts, and thereby makes them feparate the more eafily. It is ufually... | |
 | William Nicholson - Natural history - 1821 - 406 pages
...power, since not only wood, but even rocks, can be split by it ; which it would be impossible to effect by the lever, wheel, and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily. The sixth and last... | |
 | James Ferguson - Eclipses - 1823 - 406 pages
...power, since not only wood but even rocks can be split by it ; which would be impossible to effect by the lever, wheel and axle, or pulley ; for the force of the blow, or stroke, shakes the cohering parts, and thereby makes them separate more easily. 6. The sixth and... | |
 | Perry Fairfax Nursey - Industrial arts - 1842 - 538 pages
...driven under one side. It is sometimes used in splitting rocks, which it would be impossible to effect by the lever, wheel and axle, or pulley ; for the force of the blow or stroke shakes the cohering parts, and makes them separate more easily. In some parts of Derbyshire,... | |
 | Industrial arts - 1842 - 548 pages
...driven under one side. It is sometimes used in splitting rocks, which it would be impossible to effect by the lever, wheel and axle, or pulley ; for the force of the blow or stroke shakes the cohering parts, and makes them separate more easily. In some parts of Derbyshire,... | |
 | Natural philosophy - 1845 - 194 pages
...driven under one side. It is sometimes used in splitting rocks, which it would be impossible to effect by the lever, wheel and axle, or pulley ; for the force of the blow or stroke shakes the cohering parts, and makes them separate more easily. In some parts of Derbyshire,... | |
| |
