This is the contact surface area which the force is directly applied to, and can be specified in any area measurement unit available from the pull down selection choices. This is the force generated by a load acting on a surface and can be specified in any of the force measurement units available from the drop down selection box. The formula used by this calculator to calculate the pressure from force and area is: Two conversion scales show how pressure varies with changes in force and area whilst the other parameter is fixed to the entered value. Pressure = 1.94 slug/ft3 x 32.2 ft/s2 x 1.Use this calculator to determine the pressure generated by a force acting over a surface that is in direct contact with the applied load. Now, we can calculate the pressure on the triangular gate: Using the sine function, we can calculate the depth of the triangular gate: Since the tank is symmetrical, we can consider the right triangle formed by the height of the tank (30 in), the height of the triangular gate (20 in), and the angle (30°). The depth of the triangular gate can be calculated using trigonometry. Given that the water density (p) is 1.94 slug/ft3 and the water specific weight (γ) is 62.4 lb/ft3, we can calculate the pressure at the depth of the triangular gate. The pressure at a given depth in a fluid can be calculated using the equation: A) To calculate the magnitude of the resultant force on the indicated area (triangle), we need to use the equation:įirst, we need to calculate the pressure on the triangular gate.
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