Ответ:
1) F=mg
m=F/g=3000/10=300 kg
2) 2F=mg
m=2F/g=16000/10=1600 kg
3) F₁*100=F₂*30
F₂=6000*10/3=20 кН
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Ответ:
1) F=mg
m=F/g=3000/10=300 kg
2) 2F=mg
m=2F/g=16000/10=1600 kg
3) F₁*100=F₂*30
F₂=6000*10/3=20 кН