Правило моментов сил
F*L1=P*L2 L1=30 L2=10 P=2 F=P*L2/L1=2*10/30=0.5 H
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Правило моментов сил
F*L1=P*L2 L1=30 L2=10 P=2 F=P*L2/L1=2*10/30=0.5 H
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