4. Two piston diameters are being considered for use in a hydraulic system: a 25-mm- diameter piston and a 100 mm-diameter piston. If an applied force of 500 N to the 25 mm piston is found to be satisfactory, what force on the 100 mm piston at the same location would be required so as not to compromise the performance of the hydraulic system?
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.
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