 | John Keill - 1745 - عدد الصفحات: 352
...from the Fulcrum to CA, the Diftance of the Direction of the Power from the Fulcrum, the Power will be to the Weight, as the Velocity of the Weight to the Velocity of the Power; the Momentum therefore of the Power [by Cor. 3. Theor. 3.] will be equal to the Momentum of the Weight:... | |
 | Benjamin Martin - 1747 - عدد الصفحات: 398
...Mechanical Power, whofe Ufe is both for Prtf. fure and rtifing of Weights, but chiefly the former.. mer. 'The Power is to the Weight, as the Velocity of the Weight to the Velocity of the Power, that is, as the Diftance between two Threads of the Screw to the Circumference of a Circle described... | |
 | Colin MacLaurin, Patrick Murdoch - 1750 - عدد الصفحات: 492
...the actions of the power and weight are equal, and deftroy each others effect upon the engine, when the power is to the weight, as the velocity of the weight is to the velocity of the power. But tho' it is ufeful and agreeable, to obferve how uniformly this... | |
 | William Emerson - 1769 - عدد الصفحات: 170
...diameters of all the axles or pinions, to the producl of the diameters of all the wbeeh. Or inftead of the diameters, take the number of teeth in thefe...wheels with teeth. The •number of revolutions of the firft wheel, is to the number of revolutions of the lajt wheel, in any time v as the produtt of... | |
 | William Emerson - 1793 - عدد الصفحات: 386
...wheels. Or inflead of the diameters, take the number of teeth in theje axles and wheels that drire one another. And the fame is true of wheels carried...of wheels with teeth. The number of revolutions of the j, rft wheel, is to the number of revolutions of the laft wheel, in any time; as the product of... | |
 | George Adams - 1794 - عدد الصفحات: 540
...power and the refiftance ; for the power always balances the weight, when it is in the fame proportion as the velocity of the weight to the velocity of the power. Or, 2. By fetting . down the ratios of the power to the weight on each mechanical power, the fum of... | |
 | Thomas Hodson - 1802 - عدد الصفحات: 556
...nuition, the power and weight will be to each other reciprocally as- the velocities of their motion ; or the power is to the Weight as the velocity of the weight is to the velocity of the power ; fo that their two itiomentas are equal.: viz. — The product of... | |
 | Thomas Hodson - 1806 - عدد الصفحات: 488
...motion, the power and weight will be to each other reciprocally as the velocities of their motion ; or the power is to the weight as the velocity of the weight is to the velocity of the power; fo that their two momenta are equal: viz. — The product of the power,... | |
 | Nicolas Pike - 1808 - عدد الصفحات: 470
...'the time of the stone's descent. OF THE LEVER OR STEELYARD. 86. It is a principle in mechanicks, that the power is to the weight, as the velocity of the weight, to the velocity of the power. Therefore, to find what weight may be raised or balanced by any given power, say ; , As the distance... | |
 | John Ewing - 1809 - عدد الصفحات: 672
...power of consequence passed over two feet. Therefore to constitute an equilibrium, the power being to the weight as the velocity of the weight to the velocity of the power, one will be double to the other. If the rope therefore instead of being held in the hand above, pass... | |
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As the distance between the body to be raised, or balanced, and the fulcrum, or prop, is to the distance between the prop and the point where the power is applied, so is the power to the weight... 
