ciśnienie atosferyczne wynosi 10Pa na 1m2 ........................ ile to N 2. 4000PA ile to hPa 3. parcie wynosi 1000hPa na 1m2 ile to kN
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1 Pa = 1 N/1m²
1 hPa = 100 Pa
1 kPa = 1000 Pa
1 MPa = 1 000 000 Pa
1.
p = 10 Pa
S = 1 m²
p = F/S I*S
F = p*S
F = 10Pa*1m²
F = 10 N
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2.
4000Pa = 40 hPa
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3.
p = 1000 hPa = 100 000 Pa
S = 1 m²
p = F/S I*S
F = p*S
F = 100000Pa * 1m² = 100 000 N
F = 100 kN
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