 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 ... - Σελίδα 273των Thomas Hodson - 1806 - 458 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | John Imison - 1796 - 476 σελίδες
...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 - 1802 - 556 σελίδες
...largeft fliips, &c. The wedge has a very great mechanical force, and eife&s what would be impoilible by the lever, wheel and axle, or pulley ; for the...referred the axe or hatchet, the chifel, the fpade and fliovel, knives of all kinds ; as alfo the bodkin and needle, and all forts of inftruments which, beginning... | |
 | William Nicholson - 1809 - 700 σελίδες
...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 σελίδες
...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 - 1811 - 548 σελίδες
...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 - 1821 - 406 σελίδες
...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 - 1823 - 406 σελίδες
...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 - 1842 - 538 σελίδες
...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,... | |
 | 1842 - 548 σελίδες
...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 σελίδες
...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,... | |
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