A package with a length of 12 inches [in], width of 18 inches [in], and a height of 10 inches [in] exerts a pressure of 1725 pascals [Pa] on the ground where it sits. Determine the height in units of feet [ft] to which the box can be lifted if an energy of 900 foot pound-force [ft-lbf] is expended lifting it.
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 package with a length of 12 inches [in], width of 18 inches [in], and a height of 10 inches [in] exerts a pressure of 1725 pascals [Pa] on the ground where it sits. Determine the height in units of feet [ft] to which the box can be lifted if an energy of 900 foot pound-force [ft-lbf] is expended lifting it.
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