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الكتب الكتب 1 - 10 من 99 فيThere is an equilibrium upon the wheel and axle when the power is to the weight as....
" There is an equilibrium upon the wheel and axle when the power is to the weight as the radius of the axle to the radius of the wheel. "
The Civil-engineer & Surveyor's Manual: Comprising Surveying, Engineering ... - الصفحة 4
بواسطة Michael McDermott - 1879 - عدد الصفحات: 586
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An account of Sir Isaac Newton's philosophical discoveries: in four books

Colin MacLaurin, Patrick Murdoch - 1750 - عدد الصفحات: 412
...they are to each other inverfely as the diftances of their directions from the axis of the engine ; or when the power is to the weight, as the radius of the roller to the radius of the wheel, the power being fuppofed to a<ft in a perpendicular to this radius...
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An Analysis of a Course of Lectures on the Principles of Natural Philosophy ...

George Atwood - 1784 - عدد الصفحات: 265
...lower block. XXIX. On a fyftem of moveable pullies, in which a feparate firing goes round each pully, there will be an equilibrium when the power is to the weight, as unity to that power of two of which the index is the number of moveable pullies. It is to be obferved...
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Lectures on Natural and Experimental Philosophy: Considered in It ..., المجلد 3

George Adams - 1794
...concerning this plane will principally apply to the line when in this lituation. When fo fituated, there will be an equilibrium, 'when the power is to the weight as the height of the plane is to it's biife. In other words, the mechanical advantage is in proportion as...
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The economy of nature explained and illustrated on the principles of modern ...

George Gregory - 1798
...body is drawn, is in the direction D e, parallel to the inclined plane. When thus fituated therefore, there will be an equilibrium, when the power is to the weight of the body, as the height of the plane is to its bafe. In other words, the mechanical advantage gained...
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An Introduction to the Theory and Practice of Mechanics: In Five Books ...

William Marrat - 1810 - عدد الصفحات: 455
...«.m in peritroctiio. PROPOSITION XXXVIII. 154. There will be an equilibrium in the icheel and axle, when the power is to the weight as the radius of the axle to the radiui of the wheel. It is of no consequence whatever, whether the axle and wheel be in the...
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Institutes of Natural Philosophy: Theoretical and Practical

William Enfield - 1811 - عدد الصفحات: 428
...the radius of the wheel, is applied at the distance of that radius : therefore, Prop. LII. there is an equilibrium, when the power is to the weight, as the radius of the roller to the radius of the wheel. / COR. i. Hence it is evident, that by increasing the diameter of...
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The Panorama of Science and Art: Embracing the Sciences of ..., المجلد 1

James Smith - 1815
...its operations arc quick, and it is exerted or resides in a small compass. In every species of lever there will be an equilibrium, when the power is to the weight as the distance of the weight from the fulcrum is to the distance of the power from the fulcrum. Effects of...
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The Principles of Mechanics: Designed for the Use of Students in the University

James Wood - 1818 - عدد الصفحات: 210
...the axis. ON THE WHEEL AND AXLE. PROP. XVIII. (96.) There is an equilibrium upon the wheel and axle, when the power is to the weight, as the radius of the axle to the radius of the wheel. The effort of the power to turn the machine round the axis, must be the...
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The Christian remembrancer; or, The Churchman's Biblical ..., المجلد 22

1840
...Mechanical Powers. Definition of Wheel and Axle. Prop. 10. There is an equilihrium upon the wheel and axle when the power is to the weight as the radius of the axle to the radius of the wheel. I >if iiiiri.m of pulley. Prop. 11. In the single moveahle pulley where...
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British Encyclopedia: Or, Dictionary of Arts and Sciences ..., المجلد 7

William Nicholson - 1821
...the nail by the time that the nail is drawn out Hence it is evident, that in every species of lever there will be an equilibrium, when the power is to the weight as the distance of the weight from the fulcrum is to the distance of the power from the fulcrum. In experiments...
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