m = 299кг
N = 4
S = 50см^2
p - ?
p = F/S F = mg
p = mg/4S
p = 299*9,8/4*0,005 =146510Па
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m = 299кг
N = 4
S = 50см^2
p - ?
p = F/S F = mg
p = mg/4S
p = 299*9,8/4*0,005 =146510Па