oblicz tarcie klocka o masie m=70kg,jezeli f=0,3,a g=9,81m/s(do kwadratu)
oblicz tarcie klocka o masie m=70kg,jezeli f=0,3,a g=9,81m/s(do kwadratu)
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T=mgf
T=70kg*0,3*9,81m/s^2=206,01N
m=70kg
f=0.3
g=9.81m/s^2
T=fN
N=mg
N=686.7N
T=0.3*686.7=206.01N
Odp. Tarcie klocka to 206.01 N.