| James Ferguson - 1764 - 322 pages
...motion C, and P to be i pound acting 2. The fecond mechanical power is the wheel and <w/<?, in which The the power is applied to the circumference of the wheel, and the weight andaxlt ' is raifed by a rope which coils about the axle as the wheel is turned round. Here it is plain... | |
| George Adams - Science - 1794 - 540 pages
...variety of forms, you will always find the above-mentioned proportion between the power and weight, when the power is applied to the circumference of the wheel, and the weight to the axis. Hence on the wheel and axis the weight and power will be in equilibrio, when the power... | |
| William M. Finlay - Accounting - 1803 - 272 pages
...elooie, 42 Ib.'at the palm, dtf. 24. The second mechanical fiower is the wheel and axis. In this machine, the power is applied to the circumference of the wheel, and the weight to the axis, by means of a cord winding round it. PROPOSITION. An equilibrium is produced in this machine... | |
| Edward Augustus Kendall - 1811 - 462 pages
...of a peritrochiura or wheel, and moveable together with it about its axis. Th« power is applied at the circumference of the wheel, and the weight is raised by a rope that is gathered up on the axis while the machine turns round. §ea MECHANICS. AZIMUTH, in astronomy,... | |
| William Enfield - Astronomy - 1811 - 476 pages
...r. . 1-4 f . it-' DEP. DBF. XI. The Wheel and Axis is a wheel turning round together with its axis ; the power is applied to the circumference of the wheel, and the weight to that of the axis, by means of cords. PROP. LIII. An equilibrium is produced in the wheel and axis,... | |
| Edward Augustus Kendall - Encyclopedias and dictionaries - 1811 - 962 pages
...of a peritrochiuna or wheel, and moveable together with it about its axis. The power is applied at the circumference of the wheel, and the weight is raised by a rope that is gathered up on the axis while the machine turns round. Se« MECHANICS. AZIMUTH, in astronomy,... | |
| John Playfair - Astronomy - 1812 - 344 pages
...consists of a wheel having a cylindric axis passing through its centre, and moveable in two grooves. The power is applied to the circumference of the wheel, and the weight to the circumference of the axle. An equilibrium in this instrument takes place, when the radius of... | |
| James Ferguson - Astronomy - 1814 - 420 pages
...in drawing a nail, is a lever of this sort. 2. Of the Wheel and Axle. The second mechanical power is the wheel and axle,* in which the power is applied...by a rope which coils about the axle as the wheel is turned round. Here 'i< is plain that the velocity of the power must be' to the velocity of the weight,... | |
| Arithmetic - 1818 - 264 pages
...balance the Earth ? Ans. 200 Ib. OF TH£ WHS.EL AMD JT&LE. The proportion of the wheel and axle, (where the power is applied to the circumference of the wheel, and the weight to be raised is suspended by a cord, which coyls about the axle as the wheel turns round,) is as the... | |
| Nicolas Pike - Arithmetic - 1832 - 538 pages
...f:el=108 inches. ^И„ „. In. ft 1 An$. Then, asi™ : ,|20:: j !£ !' "?fj OF THE WHEEL AXD AXLE. 91. The proportion for the wheel and axle (in which the...wheel turns round) is, as the diameter of the axle i« to the diameter of the wheel, so is the power applied to the wheel, to the weight suspended by... | |
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