 | Benjamin Silliman - 1859 - 750 sider
...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... | |
 | Benjamin Silliman - 1861 - 780 sider
...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... | |
 | Stephen Parkinson - 1863 - 408 sider
...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... | |
 | Stephen Parkinson - 1863 - 396 sider
...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... | |
 | University of Calcutta - 1864 - 388 sider
...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... | |
 | University of Cambridge - 1864 - 694 sider
...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... | |
 | Thomas Lund - 1864 - 188 sider
...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... | |
 | John Charles Buckmaster - 1864 - 204 sider
...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 =... | |
 | Robert William Fraser - 1866 - 346 sider
...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... | |
 | William Guy Peck - 1866 - 320 sider
...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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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. 
