A GRAVITY DAM HAS BASES 5m AND 15m. IT SUPPORTS WATER ON THE SIDE WITH OVERFLOW OF 0.3m. NEGLECTING HYDROSTATIC UPLIFT AND EFFECT OF WATER ON THE DOWNSTREAM, FIND THE LOCATION OF REACTION, R, FROM THE HEEL OF THE DAM IF F = 1000 kN. USE UNIT WEIGHT OF CONCRETE - 23 kN/m3. *

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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.