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Fn=20N
p=50Pa
szukane:
s=?
rozwiazanie:
p=Fn/s
ps=Fn
s=Fn/p
s=20N/50Pa =0,4m2
P=50Pa
F=20N
szukane:
S=?
P=F/S
S=F/P
S=20/50
S=2/5m²