m=10 кг
d=2*10⁻³ м²
σ-?
σ=F/S=mg/πr²=mg/π(0.5d)²=mg/0.25πd²=4mg/πd=
=4×10кг×10м/с²÷(3,14×2*10⁻³ м²)=63694,2 Па.
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m=10 кг
d=2*10⁻³ м²
σ-?
σ=F/S=mg/πr²=mg/π(0.5d)²=mg/0.25πd²=4mg/πd=
=4×10кг×10м/с²÷(3,14×2*10⁻³ м²)=63694,2 Па.