| William Enfield - 1811 - 428 páginas
...half the pressure on au equal surface at the bottom XR ; which pressure (by Prop I. and III ) is equal **to the weight of a column of water whose base is the** surface ZC^, and whose height is the depth of the stream. Therefore the pressure against the surface... | |
| John Robison - 1822 - 50 páginas
...contraction, by requiring an augmentation of velocity, employs a part of the impelling force precisely equal **to the weight of a column of water whose base is the** contracted passage, and whose height is the fall which would produce a velocity equal to this augmentation.... | |
| Miles Bland - 1824 - 359 páginas
...ascending tube : and by repeating the operation may be raised to the required altitude. The pressure upon **the piston is equal to the weight of a column of water whose base is** equal to that of the piston, and altitude the distance of the surface of the water in the ascending... | |
| Peter Nicholson - 1825 - 372 páginas
...same time. PROP. 4. — The force oj a stream of watir against any plane obstacle at rest, is equal **to the weight of a column of water, whose base is the section of the** stream ; and height the space destended through by a falling body, to acquire that velocity. For let... | |
| William Emerson - 1825 - 318 páginas
...the fluid against the plane. 2s Cor. \ . The force of a stream of water against any plane, is eyual **to the weight of a column of water, whose base is the section of the** stream, and height !!£. ; or the height of the water, if it flow 2s through a hole at the bottom of... | |
| 1858
...object in the absence of any horizontal motion ! Nor is it hydrostatic pressure, which pressure is equal **to the weight of a column of water whose base is the** surface pressed, &c.; this pressure is that sustained by dock gates with a head of water on one side... | |
| Perry Fairfax Nursey - 1828
...smaller, or larger, than the cylinder GH, the body of water supported by the workman is always equal **to the weight of a column of water whose base is the** surface of the piston Б, and depth the distance £ F above the surface of) the water In the well.... | |
| 1829
...Hydrostatics.) Hence it appears, that the pressure exerted by the water in PV on the lower surface of **the piston is equal to the weight of a column of water whose base is** equal to the section of the piston, and whose height is M N. This, therefore, is the force to be overcome... | |
| 1829
...at each stroke to lift the piston. The quantity of water discharged at •.vcli stroke, is equal to **a column of water, whose base is the section of the piston, and whose** altitude is the length of the stroke. This quantity may, therefore, be found in cubic feet> by multiplying... | |
| Denison Olmsted - 1832
...(Art. 456.) Hence it appears, that the pressure exerted by the water in PV on the lower surface of **the piston is equal to the weight of a column of water whose base is** equal to the section of the piston, and whose height is MN. This, therefore, is the force to be overcome... | |
| |