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механіка

механіка

механіка

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МеханікаПри рівномірному русі:a 2= 0 ,Ox: F −µ ⋅mgcosα− mg sin α = ,тяги 20( )Fтяги 2= mg µ cosα+sin α .При рівноприскореному русі:a 3≠ 0 ,F −µ ⋅mgcosα− mgsin α = a m ,тяги 3 3F = m a + µ gcosα+g sin α .тяги 3 3( )абвРис. 50⎡⎣⎤ кг м ⎦ = Нс= ,F утр 2Обчислення:64

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