1)
ρ=1000kg/m³
V=4m³
g=9,81N/kg
Fc=ρ*g*V
Fc=1000kg/m³*4m³*9,81N/kg=39 240N
2)
p=F/S
a)
p=1000N/0,02m²=50 000Pa
b)
1m²=10000cm²
p=1000N/0,05m²=20 000 Pa
c)
p=1000N/0,5m²=2000Pa
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1)
ρ=1000kg/m³
V=4m³
g=9,81N/kg
Fc=ρ*g*V
Fc=1000kg/m³*4m³*9,81N/kg=39 240N
2)
p=F/S
a)
p=1000N/0,02m²=50 000Pa
b)
1m²=10000cm²
p=1000N/0,05m²=20 000 Pa
c)
p=1000N/0,5m²=2000Pa