m = 1 т = 1000кг
a = 4 м/c^2
g = 10 м/c^2
μ = 0.02
F трения = μΝ=μmg
Fтяги - Fтрения= ma
Fтяги = ma + Fтрения = m (a + μg) = 1000 (4 + 0.02 * 10) = 1000 * 4.2 = 4200 Н
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m = 1 т = 1000кг
a = 4 м/c^2
g = 10 м/c^2
μ = 0.02
F трения = μΝ=μmg
Fтяги - Fтрения= ma
Fтяги = ma + Fтрения = m (a + μg) = 1000 (4 + 0.02 * 10) = 1000 * 4.2 = 4200 Н