Explain the relationship between the area of a tube and fluid’s velocity. 2. If a pipe with flowing water has a cross-sectional area nine times greater at point 2 than at point 1, what would be the relation of flow speed at the two points? 3. Blood travels through an artery at velocity v. If a vasoconstriction chemical is consumed and the artery constricts to half the original diameter, what is the new velocity of the blood? 4. Explain Bernoulli’s principle. Give an example how this principle is being applied or observed in our daily lives
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.
1. Explain the relationship between the area of a tube and fluid’s velocity.
2. If a pipe with flowing water has a cross-sectional area nine times greater
at point 2 than at point 1, what would be the relation of flow speed at the
two points?
3. Blood travels through an artery at velocity v. If a vasoconstriction chemical
is consumed and the artery constricts to half the original diameter, what
is the new velocity of the blood?
4. Explain Bernoulli’s principle. Give an example how this principle is being
applied or observed in our daily lives
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