p=F/S F=P=mg 453г=0,453кг ; 20см^2=0,002м^2
[F]=[кг*Н/кг]=[H]
F=0,453*9,8=4,4394
[p]=[H/м^2]=[Па]
p=4,4394/0,002=2219,7 Па
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p=F/S F=P=mg 453г=0,453кг ; 20см^2=0,002м^2
[F]=[кг*Н/кг]=[H]
F=0,453*9,8=4,4394
[p]=[H/м^2]=[Па]
p=4,4394/0,002=2219,7 Па