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(p-ciśnienie, Fn-siła nacisku, s- powierzchnia)
D:
m1=15kg
m2=80kg
m=95kg
g=10N/kg
s=12cm3=0,000012m3
Sz:
p
W:
p=Fn/s
Fn=m*g
Fn=95*10=950N
p=950/0,000012=79166667Pa