A hallow plastic sphiere ir held below fhe surface of a frehwater lake by a cond anchored to the bottom of the lake The sphert _has a volume of 0.G50 m and the tension in the cord is 900 N. Pwater = 1000 kg /m? a- Cal ulate fhe buayant forcre enerted by the watar an the sphene.. b. What is the mart of the sphere. C. The cond breaks and the sphere rise to the surface. When the sphere comes to est, what fradion of Hi uolume will be submerged ?
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.
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