mg*l=F*5l
mg=5F
F=mg/5=1*10/5=2Н
M1=M2
mgL1=FL2
F=mgL1/L2
F=10*10*1/5=20 (H)
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mg*l=F*5l
mg=5F
F=mg/5=1*10/5=2Н
M1=M2
mgL1=FL2
F=mgL1/L2
F=10*10*1/5=20 (H)