A plastic spherical balloon is held below the surface of a swimming pool by a cable tied to the bottom of the pool. The sphere has a volume of 1.50 x 10-2m3and the tension force is 90.0 N. Note that the highest density of pure water is 1000 kg/m3. a. What is the buoyant force exerted by the water on the spherical balloon? b. Calculate the mass of the balloon. (Including the enclosed air)
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.
A plastic spherical balloon is held below the surface of a swimming pool by a cable tied to the bottom of the pool. The sphere has a volume of 1.50 x 10-2m3and the tension force is 90.0 N. Note that the highest density of pure water is 1000 kg/m3.
a. What is the buoyant force exerted by the water on the spherical balloon?
b. Calculate the mass of the balloon. (Including the enclosed air)
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