m=12кг. F=mg=12*10=120H
L1=1/5L
P-?
L=L1+L2
L1=L/5
d1=L1/2
d1=L/10
M2=4/5P*d2=4/5P*2/5L=8/25P*L
d2=L2/2=2/5L
L2=4/5L
FL1=F*L/5
P/5*d1=P/5*1/10=1/50 PL
M1=F*1/5 +1/50PL
M1=M2
F L/5 +L/50 PL =8/25 PL
P=2/3 F=2/3*120H=80H
m=12кг. F=mg=12*10=120H
L1=1/5L
P-?
L=L1+L2
L1=L/5
d1=L1/2
d1=L/10
M2=4/5P*d2=4/5P*2/5L=8/25P*L
d2=L2/2=2/5L
L2=4/5L
FL1=F*L/5
P/5*d1=P/5*1/10=1/50 PL
M1=F*1/5 +1/50PL
M1=M2
F L/5 +L/50 PL =8/25 PL
P=2/3 F=2/3*120H=80H