n object made of an unknown material is fully submerged in water and released from rest. What is the direction of the buoyant force on the object? a) up b) down c buoyant force is zero d) the direction of buoyant force depends density of the object
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.
An object made of an unknown material is fully submerged in water and released from rest. What
is the direction of the buoyant force on the object?
a) up
b) down
c buoyant force is zero
d) the direction of buoyant force depends density of the object
An incompressible fluid flows through a pipe that has two sections: a wide section with a diameter
of 4 inches and a narrow section with a diameter of 2 inches. In which section of the pipe is the
pressure of the fluid largest?
a) both sections have the same pressure
b) the wide section
c the narrow section
d) which section has largest pressure depends on the direction of flow
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