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" It is a principle in mechanics, that the power is to the weight as the velocity of the weight is to the velocity of the power. "
Tracts: Containing: I. Mechanics, Or the Doctrine of Motion: II. - الصفحة 75
بواسطة William Emerson - 1793 - عدد الصفحات: 302
عرض كامل - لمحة عن هذا الكتاب

An Account of Sir Isaac Newton's Philosophical Discoveries: In Four Books

Colin MacLaurin - 1750 - عدد الصفحات: 474
...in which they aft ; find the proportion of thofe velocities ; then if the power be to the Weight, as the velocity of the weight is to the velocity of the power, or, (which amounts to the fame thing) if the power multiplied by its velocity giv« the fame product...

Cyclomathesis: Or, An Easy Introduction to the Several Branches of ..., المجلد 7

William Emerson - 1769 - عدد الصفحات: 370
...X IK P = f°rce at K = W- And CA X GD X IH XP = CD X GH X IK XW > whence P: W::CDXGHXIK::CAXGDXIH, Cor. i. If the weight and power be in equilibria,...the weight, is to the velocity of the power ; as the producl of the diameters of all the axles or pinions, to the product of the diameters of all the wheels....

Mechanics, Or, The Doctrine of Motion ..., المجلد 6

William Emerson - 1769 - عدد الصفحات: 170
...rce at K — W> And CA X GD X IH XP = CD X GH X IK XW ; whence P : W i : CD X GH X IK : : CA X GDx IH. Cor. i. If the weight and power be in equilibria, and made to move ; the velocity of the weight, if to the velocity of the power ; as the produtl of the diameters of all the axles or pinions, to the...

The Accomplished Tutor: Or, Complete System of Liberal Education ...

Thomas Hodson - 1802 - عدد الصفحات: 556
...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 the power, multiplied by its velocity,...

The Elements of Natural Or Experimental Philosophy, المجلد 1

Tiberius Cavallo - 1803 - عدد الصفحات: 546
...about the axle, and the power E is applied to the circumference of the wheel. Here it is plain that the velocity of the weight is to the velocity of the power, as the circumference of the axis is to the circumference of the wheel, or (becaufe circles are as their diameters)...

The Accomplished Tutor; Or, Complete System of Liberal Education ..., المجلد 2

Thomas Hodson - 1806 - عدد الصفحات: 488
...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, multiplied by its velocity,...

Institutes of Natural Philosophy: Theoretical and Practical

William Enfield - 1811 - عدد الصفحات: 476
...Since in all the mechanical powers, an equilibrium is produced, when the power is to the weight as the velocity of the weight is to the velocity of the power, in all compound machines there will be an equilibrium, when the sum of the powers are to the weight,...

Systematic Education: Or Elementary Instruction in the Various ..., المجلد 2

William Shepherd, Jeremiah Joyce, Lant Carpenter - 1815 - عدد الصفحات: 598
...turn round in a fixed frame or block, there is a block of pullies moving equally fast with the weight, the velocity of the weight is to the velocity of the power, as one, to twice the number of pullies in the lower or moveable block ; and the power and weight balance...

Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and ..., المجلد 13

1823 - عدد الصفحات: 876
...Mechanics to be overcome, would have been 30 inches. Now, as ^•~~v~' the power is to the weight as the velocity of the weight is to the velocity of the power, and as the velocity of the power is the same in both capstanes, the weights which they will raise will...

Pike's System of Arithmetic Abridged: To which are Added Appropriate ...

Nicolas Pike, Dudley Leavitt - 1826 - عدد الصفحات: 214
...POWERS. OF THE LEVER OR STEELYARD. It is a principle in mechanicks, that the power is to the weight, as the velocity of the weight, is to the velocity of the power. Therefore, to find what weight may be raised or balanced by any given power, say ; As the distance...




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