...common suction pump, explain fully its action, and prove that when in regular action the force necessary to raise the piston is equal to the weight of a column of water whose base is the area of the piston, and whose height is the height through which the water is raised. 11. Prove that...

...the water has filled the suction-pipe and the barrel up to the mouth of the jet, the force necessary to raise the piston is equal to the weight of a column of water having for its base the horizontal section of the piston, and for its height the vertical distance...

...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...

...into motion in a fluid at rest, is, by the application of the hydraulic law just referred to, equal to the weight of a column of water whose base is the moving plane, and altitude that due to the velocity. Here again, however, and probably arising from...