![]() So the force exerted by a fluid of constant weight density w, against a submerged vertical plane from y=a to y=b is given as, If plate is submerged vertically then pressure is not constant throughout, so force acting on it must be calculated through slicing which leads to integral. ![]() We don’t need calculus for this which is illustrated by the following example.Įxample1: Find the fluid force on a rectangular metal sheet measuring 3ft by 4ft, that is submerged horizontally in 6 ft. If the plate is submerged horizontally then pressure is constant and can be calculated using the equation F=P*A. Weight density of water= 62.4 lb/cubic ft. Fluid force on a submerged horizontal surface of area A is , Pascal’s principle states that pressure exerted by a fluid at a depth h is transmitted equally in all directions. Where w= weight density of liquid per unit of volume. What is the fluid force on the window? (Density of water sea water is 64.The pressure on an object at depth h in a liquid is given as, What is the fluid force on the gate when the top of the gate is 4 meters below the surface of the water? 4 m 8 m 5 m 6 mĪ circular observation window on a marine science ship has a radius of 1 foot, and the center of the window is 8 feet below water level. The tank is completely full of water.Ī vertical gate in a dam has the shape of an isosceles trapezoid 8 meters across the top and 6 meters across the bottom, with a height of 5 meters, as shown below. 507 Find the fluid force exerted on the bottom of the container.įind the fluid force on a rectangular metal sheet measuring 2 feet by 3 feet that is submerged in 5 feet of water.įind the fluid force on the vertical side of a rectangular tank with dimensions 5 ft. ![]() Presentation on theme: "Fluid Force Section 7.7."- Presentation transcript:Ģ Fluid Force Force = Density X Height X AreaĬommon Densities on pg.
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