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A cubic metal box with sides of 17 cm contains air at a pressure of 1 atm and a temperature of 278 K. The box is sealed so that the volume is constant, and it is heated to a temperature of 378 K. Find the net force on each wall of the box.

Respuesta :

Answer:

F = 3.98 kN

Explanation:

GIVEN DATA:

sides of box = 17 cm

pressure = 1 atm = 101325 N/m2

T2 = 378K

T1 = 278 K

final pressure can be calculate by using below relation

[tex]\frac{P_{1}}{P_{2}}=\frac{T_{1}}{T_{2}}[/tex]

we know that

force = pressure * area

therefore force is

[tex]F =(\frac{T_{1}}{T_{2}}*P_{1})A[/tex]

[tex]F =(\frac{378}{278}*101325)(17*10^{-2})^{2}[/tex]

F = 3.98 kN

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