Trabalho Aula 4 - gabarito.pdf - MECÂNICA DOS MATERIAIS...

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MECÂNICA DOS MATERIAIS Prof. André Machado ─ 04/04/2019 Nome: ______________________________________________ ____________________________________ Trabalho 2 1. Uma viga rígida AB apoia-se sobre dois postes curtos como mostrado na Figura abaixo. AC é feito de aço e tem diâmetro de 15 mm; BD é feito de alumínio e tem o dobro do diâmetro. Considerando E aço = 200 GPa e E al = 70 GPa, determinar: (a) O valor da Força P que é plicada a viga para que o ponto F desloque-se 0,127 mm. P = 32,4 kN (b) A que distância de A , a Força P deve ser aplicada para que os deslocamentos em A e B sejam equivalentes. AF = 408,4 mm e FB = 291,6 mm 2. O dispositivo abaixo é normalmente utilizado para medir uma mudança na temperatura, mas
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  • Fall '15
  • Carlos
  • alumínio, Coeficiente, Dilatação térmica, Prof. André Machado

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