Flow occurs over a spillway of constant cross-section. The depth of flow at the back of the spillway is 1.20 m and after the spillway is 0.20 m. Determine the horizontal force on the spillway per meter of spillway width. AsSsume ideal flow.

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.