| 1844 - عدد الصفحات: 688
...the pressure on the fulcrum is equal to their sum. 4. 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. 5. In a system in which each pulley hangs by a separate string and the... | |
| Encyclopaedia - 1845 - عدد الصفحات: 902
...When the power acts by means of a rope having any sensible thickness, compared with that of the axle, there will be an equilibrium when the power is to the weight as the sum of the radii of the axle and rope to the sum of the radii of the wheel and rope. For the action... | |
| Francis Henney Smith - 1845 - عدد الصفحات: 710
...Hecatogramme Chiliogramme , Myriogramme . WHEEL and Axle. 1. 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 Cor. 1. Hence if the diameter of the wheel increases in the same pro* portion... | |
| John Johnston - 1846 - عدد الصفحات: 314
...the wheel is used. Thus, in figure 50, the hand applied to the crank revolves in the circle R, and the power is to the weight as the radius of the axle is to the length of the Fig. so. crankis the distance passed over by the power than that passed over by the weight... | |
| Cambridge univ, exam. papers - 1847 - عدد الصفحات: 40
...components act in directions perpendicular to each other. 4. There is 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. 5. Find the relation of P to W on the inclined plane, P acting parallel... | |
| William Whewell - 1847 - عدد الصفحات: 208
...other force as P', acting at a point M' in the circumference of the wheel. PROP. In the wheel and axle the power is to the weight as the radius of the axle to the radius of the wheel*. Let fig. 38 be a representation of the machine referred to the plane EF,... | |
| University of Cambridge - 1849 - عدد الصفحات: 560
...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... | |
| Alonzo Gray - 1850 - عدد الصفحات: 422
...smaller wheels may be used as an axle in reference to the larger one. By the law of inverse proportion, the power is to the weight as the radius of the axle to the radius of the wheel, or The power and weight will be in equilibrium when the power multiplied... | |
| T. Baker - 1851 - عدد الصفحات: 172
...the wheel, and the weight to the circumference of the axle. 55. PROP. — The wheel and axle are in equilibrium when the power is to the weight as the radius of axle is to the radiits of the wheel. Let CA, CB be the radii of the wheel and axle, at the extremities... | |
| Thomas Baker - 1851 - عدد الصفحات: 188
...the wheel, and the weight to the circumference of the axle. 55. PEOP. — The wheel and axle are in equilibrium when the power is to the weight as the radius of axle is to the radius • the wheel. Let CA, CB be the radii of the wheel and axle, at the extremities... | |
| |