| Jeremiah Joyce, William Pinnock, John William Griffith - 1852 - عدد الصفحات: 583
...there will be an equilibrium if the power Is equal to half the weight only. 89. In the inclined plane **there will be an equilibrium when the power Is to the weight as the** height of the plane Is to the length. 40. In the wedge, the power will be to the weight as half the... | |
| ...other, find the tension of! each string. 8. Thero is equilibrium on the wheel and axle, when the i **power is to the weight as the radius of the axle is to the** radios j of the wheel. 9. Define the centre of gravity of a body ; and shew that I every body has one... | |
| Charles Astor Bristed - 1852
...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.... | |
| 1852
...or P : R nr : p. That is, in the equilibrium of the wheel and axle, the power is to the resistance **as the radius of the axle is to the radius of the wheel.** When P and R act upon the machine by means of cords, we must suppose these forces applied to the axes... | |
| John Johnston - 1854 - عدد الصفحات: 379
...arm of the lever, and the radius of the axle AB the short arm ; consequently (108) the power must be **to the weight as the radius of the axle is to the radius of the wheel.** If we suppose the wheel to be turned once round, it is plain that the power will fall a distance just... | |
| Joseph Allen Galbraith - 1854
...follows : — There will be Equilibrium in the wheel and axle, when the Power is to the Resistance **as the radius of the axle is to the radius of the wheel.** One of the most common examples of the wheel and axle is the windlass, in which the Power is applied... | |
| Isaac Wilber Jackson - 1854 - عدد الصفحات: 197
...P : R :: r : p. That is, in the equilibrium of the wheel and axle, the potver is to the resistance **as the radius of the axle is to the radius of the wheel.** When P and R act upon the machine by means of cords, we must suppose these forces applied to the axes... | |
| Cambridge univ, exam. papers - 1856
...the force which will keep the point at rest ? 3. Describe the Wheel and Axle; and prove that there is **equilibrium when the power is to the weight as the radius of the axle** to the radius of the wheel. 4. In a system of pullies in which the same string passes round all the... | |
| Cambridge univ, exam. papers - 1856
...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 as 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... | |
| James Stewart Eaton - 1857 - عدد الصفحات: 355
...means of a rope, and the weight to the axle, on the opposite side. •524. An equilibrium is produced **when the power is to the weight as the radius of the axle** to the radius of the wheel. The principle is the same as in the lever, the radius of the axle corresponding... | |
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