 | James Morton Spearman - 1844 - 446 σελίδες
...at the centre of motion. In the case of an equilibrium, therefore, the power is to the resistance, as the radius of the axle to the radius of the wheel, — or, as the circumference of the axle to the circumference of the wheel. If two or more wheels and... | |
 | Francis Henney Smith - 1845 - 710 σελίδες
...Centigramme Decigramme Gramme « Decagramme , Hecatogramme Chiliogramme , Myriogramme . WHEEL and Axle. 1. There is an equilibrium upon the wheel and axle, when...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 as the power decreases,... | |
 | John Johnston - 1846 - 314 σελίδες
...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... | |
 | Cambridge univ, exam. papers - 1847 - 40 σελίδες
...3, 4, 5 respectively, the two components act in directions perpendicular to each other. 4. There is equilibrium upon the wheel and axle, when the power...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 to the plane. 6. If P and Ware... | |
 | William Whewell - 1847 - 208 σελίδες
...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, which is perpendicular to the... | |
 | University of Cambridge - 1849 - 560 σελίδες
...out of the aforementioned Propositions. Mechanical Powers. Definition of Wheel and Axle. Prop. 10. There is an equilibrium upon the wheel and axle when...the radius of the axle to the radius of the wheel. Definition of Pulley. Prop. 11. In the single moveable pulley where the strings are parallel, there... | |
 | Alonzo Gray - 1850 - 422 σελίδες
...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 into the radius of the wheel... | |
 | Charles Astor Bristed - 1852 - 470 σελίδες
...represented in magnitude and direction by the sides of a triangle, act on a point, they will keep it at rest. when the power is to the weight as the radius of the axle to the radius of the wheel. 23. Define the centre of gravity, and find it in the case of a triangle. 24. Explain the Hydrostatic... | |
 | Cambridge univ, exam. papers - 1856 - 252 σελίδες
...the fulcrum ; find the forces when the pressure on the fulcrum is 31bs. 6. There is equilibrium on the wheel and axle when the power is to the weight...the radius of the axle to the radius of the wheel. What is meant by the mechanical advantage of a machine ? How may this be increased in the wheel and... | |
 | Cambridge univ, exam. papers - 1856 - 200 σελίδες
...directions of the component forces, when they are each equal to the resultant. 4. 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. Is there any advantage in having the rope which passes round the wheel... | |
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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. 
