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3) Um freezer repouse sobre um par de apoios em A e um par de apoios em B. Os pesos de varias partes do freezer

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3) Um freezer repouse sobre um par de apoios em A e um par de apoios em B. Os pesos de varias partes do freezer sao balcoes. Desprezando o atrito, determine as reacoes em cada por apolo. Use a = 100 mm; b = 400 mm; c = 450 mm; d= 225 mm; e = 200 mm; f = 900 mm; g = 300 mm ; F1 = 150N; F2 = 550 N e F3 = 250 N

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