 | 1909 - عدد الصفحات: 498
...FP=i2in. and FW . = 3in. PXFP = 4& and W XFW = 48. therefore PX FP= WX FW. Power and weight will balance when the power is to the weight as the radius of the axle is to the radius of the wheel. Pra-ctical Examples. — Dumb-waiter ; capstan ; windlass ; belted and geared wheels. IV. THE INCLINED... | |
 | William Betz, Harrison Emmett Webb, Percey Franklyn Smith - 1912 - عدد الصفحات: 356
...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 = -J- 0/1, how is P related to IF? Find P, .._ if W = 100 Ib. and OA = 2 OB. ° W 12. If the... | |
 | University of Cambridge - 1845 - عدد الصفحات: 492
...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... | |
 | University of Cambridge - 1855 - عدد الصفحات: 682
...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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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. 
