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A laboratory in the Y building keep a vacuum pressure of 0.1 kPa abs. What is the net force acting on the door considering the atmospheric pressure in Mt. Helen campus is 101.325 kPa abs. (assume the dimensions of door is 2 m x 0.5 m).

Respuesta :

Answer:

net force acting on the floor is 100 kN

Explanation:

Given data:

[tex]P_{vaccum} = 0.1 kPa[/tex]

[tex]P_{atm} = 101.325 kPa[/tex]

dimension of floor = 2 m \times 0.5 m

we know that

Net force can be calculated as follow

[tex]f_{net} = P_{vaccum} \times area[/tex]

[tex]f_{net} = 0.1\times 10^3 \times 2\times 0.5[/tex]

[tex]f_{net} = 0.1\times 10^3 \times 1[/tex]

[tex]f_{net} = 100 kN[/tex]

Therefore net force acting on the floor is 100 kN

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