Se da:
l=10cm=0,1m
p=2g/cm³=2000kg/m³
v-const
α=0°
d=1,5m
u=0,2
g=9,8N/kg
Lfr=?J
Ltr=?J
P=?Pa
Formule:
Lfr=-Ffr*d
Lfr=-uN*d
Lfr=-umg*d
Lfr=-uVpg*d
Lfr=-ul³pg*d
Ltr=Ftr*d
Ltr=Ffr*d
Ltr=ul³pg*d
P=F/S
P=mg/l²
P=l³pg/l²
P=lpg
Inlocuiesti si calculezi, succes!
