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الكتب الكتب 81 - 88 من 88 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 Elementary Course of Instruction for Mine Foremen and Pit Bosses

Floyd Davis - 1900 - عدد الصفحات: 124
...: w :: h : c. Hence if a - 'wer and weight acting on a wheel and axle are in equilibrium, the pjwer is to the weight as the radius of the axle is to the radius of the wheel. Q. 143. If a power of 80 pounds, acting on a wheel whose radius is 30 inches, balances a weight of...
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Soulé's philosophic practical mathematics: designed for the use of ...

George Soulé - 1910 - عدد الصفحات: 1002
...radius of the wheel. Hence, Pxae-Wxob. P : W = cb : a c. That it to say, the icheel and axle are in equilibrium, when the power is to the weight as the...radius of the axle is to the radius of the wheel. In one revolution of the machine, the power moves through a space equal to the circumference of the...
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Plane Geometry

William Betz, Harrison Emmett Webb, Percey Franklyn Smith - 1912 - عدد الصفحات: 332
...physics that — = ; that is, the force to be applied in order to lift a weight is related to that weight as the radius of the axle is to the radius of the wheel. If OB -\OA, how is P related to W1 Find P, „ if W = 100 Ib. and OA = 2 OB. ° W 12. If the weight...
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Plane Geometry

William Betz, Harrison Emmett Webb, Percey Franklyn Smith - 1912 - عدد الصفحات: 332
...— = — — ; \\ OA that is, the force to be applied in order to lift a weight is related to that weight as the radius of the axle is to the radius of the wheel. If OB = |- OA, how is P related to W1 Find P, if W= 100 Ib. and OA = 2 OB. 12. If the weight in Ex....
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Plane and Solid Geometry

William Betz - 1916 - عدد الصفحات: 507
...that — = — — ; that is, the force to be applied in order to lift a weight is related to that weight as the radius of the axle is to the radius of the wheel. If OE = \OA, how is P related to Wi Find P, . _ if W = 100 Ib. and 0/1=2 OB. ° W 12. If the weight...
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Register

University of Cambridge, Sir Thomas Gery Cullum - 1855
...Mechanical Poweri. Definition of Wheel and Axle. Prop. 10. 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. Definition of Pulley. Prop. 11. In the single moveable pulley where the...
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Register

University of Cambridge, Sir Thomas Gery Cullum - 1838
...Mechanical Powers, Definition of Wheel and Axle. Prop. 10. 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. Definition of Pulley. Prop. 11. In the single moveable pulley where the...
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The Register of arts, and journal of patent inventions, ed. by L. Herbert

Luke Hebert - 1829
...PRACTICAL. By GG WARD, Machine Maker. (Continued from p. 93. ) PROPOSITION IX. In the single moveable pulley there will be an equilibrium, when the power is to the weight as 112. Fig. 19. , — N ' • ~ For the pulley a 6 (Fig. 19) is obviously reducible to a lever of the...
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