 | Sir Richard Phillips - 1807 - 182 páginas
...projecting spokes thai answer the same purpose as awheel, as in fig. 15. 71. The advantage gained, is in proportion as the circumference of the wheel is greater than that of the axis : or as the diameter of the wheel is greater than the diameter of the axis. Illustration. If the... | |
 | Sir Richard Phillips - 1811 - 152 páginas
...projecting spokes that answer the same purpose as a wheel, as in fig. 15. 71. The advantage gained, is in proportion as the circumference of the wheel is greater than that of the axis ; or as the diameter of the wheel is greater than the diameter of the axis. Illustration. If the... | |
 | Jeremiah Joyce - 1815
...will be in equilibrio. Father. The second mechanical power is the Wheel and Axis> which gains power in proportion, as the circumference of the wheel is greater than that of the axis ; this machine may be referred to the principle of the lever. AB (Plate in. Fig. 22.) is the wheel,... | |
 | Jeremiah Joyce - 1815
...ascent, the rope to coil more than once the length- of the axis, because the advantage gained is in proportion as the circumference of the wheel is -greater than that of the axis ; so thatt if the circumference of the wheel be 12 times greater than that of the axis, 1 pound... | |
 | Mrs. Marcet (Jane Haldimand) - 1821 - 311 páginas
...the bucket is raised with much less difficulty. The velocity of the circumference of the wheel is as much greater than that of the axle, as it is further...circumference of the wheel is greater than that of the axle. If the velocity of the wheel is twelve times greater than that of the axle, a power nearly twelve times... | |
 | Alexander Jamleson - 1821
...as their respective diameters ; consequently the advantage gained, by this mechanical power, is in proportion as the circumference of the wheel is greater than that of the axis, or as the diameter of the wheel is greater than the diameter of the axis. Hence the velocity... | |
 | Mrs. Marcet (Jane Haldimand) - 1826 - 252 páginas
...in the same space of time that the axle describes a small one, therefore the power is increasedfin the same proportion as the circumference of the wheel is greater than that of the axle.j If the velocity of the wheel is twelve times greater than that of the axle, a power nearly twelve... | |
 | Sir Richard Phillips - 1826 - 214 páginas
...fastened to it, (Jig. 13,) or of a cylinder with projectingspokes,(/g. 14.) 74. The advantage gained is in proportion as the circumference of the wheel is greater than that of the axis ; or as the diameter of the wheel is greater than the diameter of the axis. Illus. If the diameter... | |
 | 1832
...further from the centre of motion ; for the wheel describes a large circle in the same space Fig. 34. of time that the axle describes a small one, therefore...circumference of the wheel is greater than that of the axle. If the velocity of the wheel were twelve times greater than that of the axle, a power nearly twelve... | |
 | Ireland commissioners of nat. educ - 1835
...than that of the axle, as it is further from the centre of motion ; for the wheel describes a large circle in the same space of time that the axle describes...circumference of the wheel is greater than that of the axle. If the velocity of the wheel were twelve times greater than that of the axle, a power nearly twelve... | |
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... time that the axle describes a small one, therefore the power is increased in the same proportion as the circumference of the wheel is greater than that of the axle. If the velocity of the wheel is... 
