QUESTION 37 Which of the following explains the operation of a hydraulic Jack? Bernoulli s principle Continuity condition Pascal principle all of these None of these
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.
Hydraulic jack is the one in which there is a fluid trapped between two ends of an enclosure , usually in the form of u-tube.
one end of the tube is wider whereas the other end is narrower.
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