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الكتب الكتب 51 - 60 من 105 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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First Principles of Physics: Or Natural Philosophy, Designed for the Use of ...

Benjamin Silliman - 1859 - عدد الصفحات: 720
...long arm, is the radius of the wheel. Hence, P : W::cb:ac The wheel and axle is in equi^ __ ^ librium, 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 descends through a space equal to the cireumference of...
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Principles of Physics, Or, Natural Philosophy: Designed for the Use of ...

Benjamin Silliman - 1861 - عدد الصفحات: 710
...TT= cb : a e. That is to say, the wheel and nxle are in equilibrium, when the power is to the wcight as the radius of the axle is to the radius of the wheel. In one revolution of the machine, the power moves tbrough a space equal to the circumference of the...
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An elementary treatise on Mechanics

1863 - عدد الصفحات: 374
...forces P, W acting at arms MO, ON, and there will be equilibrium if P. MO = W. NO, P NO or .= f; ie if the power is to the weight as the radius of the axle is to the radius of the wheel. 101. Obs. If the thickness of the ropes cannot be neglected, we must suppose the action of P and W...
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An Elementary Treatise on Mechanics, for the Use of the Junior Classes at ...

Stephen Parkinson - 1863 - عدد الصفحات: 374
...acting at arms MO, ON, and there will be equilibrium if P. MO = W. NO, P NO or -rn.= jf7)> ie if tne power is to the weight as the radius of the axle is to the radius of the wheel. 101. Obs. If the thickness of the ropes cannot be neglected, we must suppose the action of P and W...
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THE CALUTTA UNIVERSITY CALENDER 1864-65

THACKER, SPINK AND CO. - 1864
...feet from, each other, find the tension of each string. 8. There is equilibrium on the wheel and axle, when the power is to the weight as the radius of the axle is to the radius of the wheel. 10. A. rod 11 inches long has a weight of 7 ounces at one end and one of 8 ounces at the other, and...
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Register

1864
...Mechanical Powen. 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 Cambridge Course of Elementary Natural Philosophy: Being the ...

Thomas Lund - 1864 - عدد الصفحات: 179
...vertically, as in the annexed diagram. 37. PROP. X. 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 efforts of P and W to turn the machine round its axis will be the same...
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The Elements of Mechanical Physics

John Charles Buckmaster - 1864 - عدد الصفحات: 188
...wheel ce the long arm, and P and W the power and resistance. There is equilibrium in the wheel and axle when the power is to the weight, as the radius of the ancle is to the radius of the wheel. P : W = radius of axle : to radius of wheel; that is, ; P: W =...
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The Hand-Book of Physical Science; ... Third Edition, Etc

Robert William FRASER - 1866
...radius, and BC the radius of the axle, P the power, and W the weight, the ratio may be thus expressed : the power is to the weight as the radius of the axle is to the radius of the wheel. P : W :: BC : AC Fi«'85' , Hence: P.AC=W.BC JL _ °rBC W-AC. "Example 4. If a power of 10 lbs. balance...
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Elements of Mechanics: For the Use of Colleges, Academies, and High Schools

William Guy Peck - 1866 - عدد الصفحات: 331
...equilibrium (Art. 49), F:g. SO. Pr=jRr', orJP : E : r.(44.) That is, the power is to the resistance as the radius of the axle is to the radius of the wheel. By suitably varying the dimensions of the wheel and axle, any amount of mechanical advantage may be...
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