 | Sir Richard Phillips - Physics - 1826 - 236 pages
...knives which arc fixed at one end. 71 . A lever of the third kind is when the prop is at one end , th e weight at the other, and the power applied between...weight in the same proportion, as the distance of the iveight from the prop, exceeds the distance of the power. Illus.l. Let/ fig. 10,be the prop or fulcrum,... | |
 | Alexander Jamieson - Industrial arts - 1829 - 654 pages
...tbe weight, tbe intensity of the power must exceed the intensity of the weight just as much ať tbe distance of the weight from the prop exceeds the distance of the power. For example, 1 pound placed three times as far from the prop E as the power P acts at F, by the cord... | |
 | William Templeton (engineer.) - 1833 - 224 pages
...power and the weight, the intensity of the power must exceed the intensity of the weight, just as much as the distance of the weight from the prop exceeds the distance of the power from the prop, that is, P x AF = W x BF ; or the power and weight are reciprocally as the distances... | |
 | Industrial arts - 1838 - 350 pages
...kind is when the prop is at one end, the weights at the other, and the power applied between tbfem. Here the power must exceed the weight in the same...weight from the prop exceeds the distance of the power. Exp. 1. A ladder, which is to be raised by the strength of a man's arms, represents a lever of this... | |
 | Richard Green Parker - Physics - 1838 - 266 pages
...the centre of gravity being J,IJ..,_,. K&. E B ) 218. In levers of this kind the power must always exceed the weight, in the same proportion as the distance of the weight from the fulcrum exceeds that of the power from the fulcrum. 217. In a lever of the third kind, the fulcrum... | |
 | Frederick Augustus Griffiths - 1839 - 348 pages
...power and the weight, the intensity of the power must exceed the intensity of the weight, just as much as the distance of the weight from the prop exceeds the distance of the power from the prop. As this kind of lever is disadvantageous to the moving power it is seldom used. In a... | |
 | James Ferguson - Astronomy - 1839 - 554 pages
...power and the weight, the intensity of the power must exceed the intensity of the weight, just as much as the distance of the weight from the prop exceeds the distance of the power from it. Thus, let E be the prop of the lever AB and TV a K weight of one y , '\ " , ?. pound, plac-... | |
 | Richard Green Parker - 1844 - 276 pages
...the other, and the power is applied between them. 218. In levers of this kind the power must always exceed the weight, in the same proportion as the distance of the weight from the fulcrum exceeds that of the power from the fulcrum. 219. Fig. 27, F is the fulcrum, W the weight. and... | |
 | Richard Green Parker - Physics - 1849 - 418 pages
...at the other, and the power is applied between them. 1. In levers of this kind the power must always exceed the weight, in the same proportion as the distance of the weight from the fulcrum exceeds that of the power from the fulcrum. 2. In Fig. 30, F is the fulcrum, W the weight,... | |
 | Richard Green Parker - Physics - 1850 - 408 pages
...the other, and the power is applied between them. 1. In levers -of this kind the power must always exceed the weight, in the same proportion as the distance of the weight from the fulcrum exceeds that of the power from the fulcrum. and the power must exceed the weight in the same... | |
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... them. Here the power must exceed the weight in the same proportion as the distance of the weight from the prop exceeds the distance of the power. 
