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BASIC HYDRAULIC PRINCIPLES OF OPEN-CHANNEL FLOW
pubs.usgs.govFH Horizontal force Ib FR Resultant force Ib F<3 Drag force Ib Fp Water-pressure force Ib Fr Froude number Fv Vertical force Ib FX Shear force Ib f Darcy-Weisbach friction factor g Acceleration of gravity ft/s^ H Total head ft h Hydraulic (piezometric) head ft he Head loss due to local causes ft hf Head loss due to boundary friction ft
Hydrostatic Force on a Submerged Surface
web.cecs.pdx.eduWhen the tank is filled with water, pressure forces on the surface of the curved acrylic cause an additional moment. The moment due to the pressure forces is balanced by adding weights to the pan shown on the right side of Figure 3.3. Adding water does not affect the moment balance W cL c = W aL a because the water does not change the weight ...