S=pi*d^2/4=3,14*(2*10^-3)^2/4=3,14*10^-6 м2
сигма=m*g/S=10*10/3,14*10^-6=31,8*10^6 Па
F = mg
g = 10м/с^2
F = 10 * 10
F = 100H
S=pi*d^2/4=3,14*(2*10^-3)^2/4=3,14*10^-6 м2
сигма=m*g/S=10*10/3,14*10^-6=31,8*10^6 Па
F = mg
g = 10м/с^2
F = 10 * 10
F = 100H