 | George Adams - Physics - 1794 - 606 pages
...principally apply to the line when in this lituation. When fo fituated, there will be an equilibrium, 'when the power is to the weight as the height of the plane is to it's biife. In other words, the mechanical advantage is in proportion as the loiglk of the plane... | |
 | William Enfield - Astronomy - 1811 - 476 pages
...as PA, half the breadth of the wedge, to PB its height SCHOL. I. 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,... | |
 | James Renwick - Physics - 1822 - 476 pages
...inclination to the radius. If the direction of the power is parallel to the base, equilibrium exists when the power is to the weight as the height of the plane to the base. POISSON, § Additions. The Wedge. 71. The ordinary form of a wedge is a triangular prism... | |
 | Jeremiah Joyce - Astronomy - 1824 - 224 pages
...the power is equal to half the weight only. 39. 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 thickness of the wedge... | |
 | John Farrar - Dynamics - 1825 - 476 pages
...• BL; that is, -.I'lu»i the direction of the power is parallel to the base of the inclined plane, the power is to the weight as the height of the plane to its base. From the proportion 9 : p : : sin ABG : cos A'Fq, we infer, as a general conclusion, that so... | |
 | James Renwick - Mechanics - 1832 - 584 pages
...W::A:fe; or (130) when the power acts parallel to the horizontal base of the plane, equilibrium will exist when the power is to the weight as the height of the plane to the length of the base. • 168. The inclined plane is a mechanic power of a frequent, nay, of almost... | |
 | William Whewell - Mechanics - 1832 - 572 pages
...perfectly smooth inclined plane, and supported by a string parallel to the plane, will be in equilibrium when the power is to the weight as the height of the plane is to its length. Fig. 26. An inclined plane is a plane inclined to the horizon, as AC ; and its height... | |
 | John Radford Young - Mechanics, Analytic - 1832 - 390 pages
...horizontal or parallel to the base of the plane then c = i, and the relation is P= Wtan. i, which shews that the power is to the weight as the height of the plane to the base. The Screw. (88.) Before we can investigate the mechanical power of the we must ascertain... | |
 | Mathematics - 1836 - 488 pages
...between the weight and the fulcrum. When the forces act perpendicularly to the arms of a straight lever, an equilibrium is produced, when the power is to the weight as the distance of the weight from the prop is to the distance of the power from the prop. In the first and... | |
 | Denison Olmsted - Physics - 1837 - 374 pages
...balance a weight of six pounds. This principle is generalized in the following proposition. In the pulley an equilibrium is produced, •when the power is to the weight as one to the number of ropes. 159. The ascent of the weight is in all cases retarded in proportion as... | |
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The pulley is a small wheel, movable about its axis by means of a cord, which passes over it. When the axis of a pulley is fixed, the pulley only changes the direction of the power ; if movable pulleys are used, an equilibrium is produced, when the power... 
