A water pump is designed to send a stream of water from a nozzle at the surface of a pool of water 16 m into the air. The circular nozzle is 6.5 cm in radius. The intake pipe is 75 cm below the surface of the pool and 15 cm in radius. A. What is the velocity of the water as it comes out of the nozzle? B. What is the velocity of the water as it enters the intake pipe? C. What is the pressure difference between the water in the intake pipe and the water streaming out of the nozzle? Which pressure is greater?
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 water pump is designed to send a stream of water from a nozzle at the surface of a pool of water 16 m into the air. The circular nozzle is 6.5 cm in radius. The intake pipe is 75 cm below the surface of the pool and 15 cm in radius.
A. What is the velocity of the water as it comes out of the nozzle?
B. What is the velocity of the water as it enters the intake pipe?
C. What is the pressure difference between the water in the intake pipe and the water streaming out of the nozzle? Which pressure is greater?
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