Problem 2.1 Given: A graduated cylinder filled with water. A cube is dropped into the cylinder and the water rises. See Figure 2. The cube is only partially submerged. The length of a side of the cube is 3.7 cm. Assume the specific weight of water is 9.81 kN/m3 Required: a) What is the density of the cube? b) What is the specific gravity of the cube? c) Where is the vertical CG of the cube based on SWL? Where is the vertical center of buoyancy based on SWL
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
Problem 2.1
Given: A graduated cylinder filled with water. A cube is dropped into the cylinder and the water rises. See Figure 2. The cube is only partially submerged. The length of a side of the cube is 3.7 cm. Assume the specific weight of water is 9.81 kN/m3
Required:
a) What is the density of the cube?
b) What is the specific gravity of the cube?
c) Where is the vertical CG of the cube based on SWL? Where is the vertical center of buoyancy based on SWL?
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