With what force does the atmosphere press on the 110 cm by 50 cm lid of the student’s table
September 20, 2021 | education
| With what force does the atmosphere press on the 110 cm by 50 cm lid of the student’s table, is atmospheric pressure considered normal?
a = 110 cm = 1.1 m.
b = 50 cm = 0.5 m.
P = 101325 Pa.
F -?
The pressure of the force p is the ratio of the force F to the area S on which this force acts.
Pressure P is determined by the formula: P = F / S.
Let us express the force of pressure: F = P * S.
Since the table top has the shape of a rectangle, its area S is determined by the formula: S = a * b, where a and b are the sides of the rectangle.
F = P * a * b.
F = 101325 Pa * 1.1 m * 0.5 m = 55728.75 N.
Answer: the atmosphere presses on the lid of the desk with a force of F = 55728.75 N.
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