Three friends with a good balance stand with all of their weight on the toes of one foot: Samwise has a weight 850 N and a toes area of 120 cm?, Eldarion of weight 350 N and a toes area of 40 cm?, and Arwen of weight 550 N and a toes area of 16 cm?. The one exerting the least pressure on the ground is
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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