 | Benjamin Martin - 1747 - عدد الصفحات: 398
...former. (2.) When the Prop is at one End, the Power applied at the other, and the Weight between both. (3.) When the Prop is at one End, the Weight at the other, and the Power applied between both. (4.) The bended Lever, which differs only in Form from the firft Sort. (5.) When the Prop is... | |
 | James Ferguson - 1776 - عدد الصفحات: 546
...There are four kinds of levers, i. The common fort, where the prop is placed between the weight and the power; but much nearer to the weight than to the power....bended lever, which differs only in form from the firfl fort, but not in property. Thofe of the lirit and fecond kind are often ufed in mechanical engines-,... | |
 | Thomas Hodson - 1802 - عدد الصفحات: 556
...other end, and the weight between them. 3. Where the prop is at one end, the weight at the other end, and the power applied between them. 4. The bended lever, which differs from a lever of the firft fort only in being bent. Levers of the firft and fecond kind are often ufed... | |
 | Thomas Hodson - 1806 - عدد الصفحات: 488
...other end, and the weight between tljem. 3. Where the prop is at one end, the weight at the other end, and the power applied between them. 4. The bended lever, which differs from a lever of the firft fort only in being bent. Levers of the iirfi. and fecond kind are often ufed... | |
 | Sir Richard Phillips - 1807 - عدد الصفحات: 212
...turning on hinges, cutting knives which. are fixed at one end. 68. A lever of the third kind, is'when the prop is at one end, the weight at the other,. and the power applied hetween them. Here the power must exceed the weight, in thesame proportion as the distance of the weight... | |
 | William Nicholson - 1809 - عدد الصفحات: 734
...fastened at, or near the point of the blade ; also in oars moving a boat, the water being the fnlcrnm. ;i. When the prop is at one end, the weight at the other, and the power applied between them, as in tongs, sheers, &c. The lever of the first kind is principally used for loosening large stones... | |
 | William Nicholson - 1809 - عدد الصفحات: 700
...fastened at, or near the point of the blade ; also in oars moving a boat, the water being the fulcrum. 3. When the prop is at one end, the weight at the other, nnd the power applied between them, as in tongs, sheers, &c. The lever of the first kind is principally... | |
 | John Ewing - 1809 - عدد الصفحات: 672
...the fulcrum is at one end, the power at the other, and the weight between them; 3. Where the fulcrum is at one end, the weight at the other and the power between them; 4. When the fulcrum is placed at equal distances between the power and weight, and then... | |
 | William Duane - 1810 - عدد الصفحات: 774
...mechanical prop is at one end of the lever, the power at the other, and the weight between them. 3d, where the prop is at one end, the weight at the other, and the power applied between them. 4th, the bended lever, which diflers from the first in form, but not in property. In the first and... | |
 | Sir Richard Phillips - 1811 - عدد الصفحات: 196
...doors turning on hinges, cutting knives which, are fixed at one end. 68. A lever of the third kind, is when the prop is at one end, the weight at the other, and the power applied between them. Here the power must exceed the weight, in the same proportion as the distance of the weight from the... | |
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When the prop is at one end of the lever, the power at the other, and the weight between them. 
