A solid block is suspended from a spring scale. When the block is in air, the scale reads 37.0 N, when it is completely immersed in water the scale reads 32.3 N, and when completely immersed in oil the scale reads 32.7 N. If density of water is 1000 kg/m³.
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.
Part A : What is the volume of the block?
Part B: What is the density of the block?
Part C: Comparing your finding with the web and comment what material is the block made of?
Part D: What is the density of the oil? Comment on the type of oil too.
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