With a mass of 60 kg and a height of 1.6m, the surface area of the human body is approximately 1.65m2.

| August 10, 2021 | education

With a mass of 60 kg and a height of 1.6m, the surface area of the human body is approximately 1.65m2. Calculate the force with which the atmosphere presses on a person (at normal atmospheric pressure).

Atmospheric pressure equal to the pressure of a column of mercury 760 mm is considered normal and equal to 101300 Pa.
Pressure is a physical quantity equal to the ratio of the pressure force applied to a given surface to the area of this surface:
P = F / S, where F is the force of pressure on the plane, S is the area of the plane.
Let us express the strength from this expression:
F = P * S
Substitute the numerical values and determine the force of atmospheric pressure on a person:
F = P * S = 101300 * 1.65 = 167145 N
Answer: the pressure force is 167145 N. or 167 kN.



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