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ATIVIDADE 3 - MECÂNICA E RESISTÊNCIA DOS MATERIAIS - 52/2023
Período:12/06/2023 08:00 a 30/06/2023 23:59 (Horário de Brasília)
Status:ABERTO
Nota máxima:0,50
Gabarito:Gabarito não está liberado!
Nota obtida:
1ª QUESTÃO
14/06/2023, 15:14 Unicesumar - Ensino a Distância
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A análise do estado plano de tensões permite examinar o comportamento e a distribuição das tensões em
diferentes condições de carga. Quando uma força é aplicada a um elemento específico, isso resulta em
diversas tensões. Elas podem ser compreendidas de forma mais clara na figura a seguir:
Fonte: adaptado de EDMUNDO, D. A. Resistência dos materiais aplicada. Porto Alegre: SAGAH, 2016.
A figura a seguir representa o estado plano de tensões de uma barra genérica sujeita a esforços:
Fonte: adaptada de: BEER, F. P.; JOHNSTON JR., E. R. Resistência dos materiais. 3. ed. São Paulo: Pearson
Makron Books, 2006.
Considerando o contexto apresentado, faça uma análise e determine algebricamente:
a) A orientação dos planos principais.
b) As tensões principais.
14/06/2023, 15:14 Unicesumar - Ensino a Distância
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c) A tensão de cisalhamento máxima.
ALTERNATIVAS
Nenhum arquivo enviado.

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Análise de tensões em barra sob carga

  • 1.
  • 2. 14/06/2023, 15:14 Unicesumar - Ensino a Distância about:blank 1/3 ATIVIDADE 3 - MECÂNICA E RESISTÊNCIA DOS MATERIAIS - 52/2023 Período:12/06/2023 08:00 a 30/06/2023 23:59 (Horário de Brasília) Status:ABERTO Nota máxima:0,50 Gabarito:Gabarito não está liberado! Nota obtida: 1ª QUESTÃO
  • 3. 14/06/2023, 15:14 Unicesumar - Ensino a Distância about:blank 2/3 A análise do estado plano de tensões permite examinar o comportamento e a distribuição das tensões em diferentes condições de carga. Quando uma força é aplicada a um elemento específico, isso resulta em diversas tensões. Elas podem ser compreendidas de forma mais clara na figura a seguir: Fonte: adaptado de EDMUNDO, D. A. Resistência dos materiais aplicada. Porto Alegre: SAGAH, 2016. A figura a seguir representa o estado plano de tensões de uma barra genérica sujeita a esforços: Fonte: adaptada de: BEER, F. P.; JOHNSTON JR., E. R. Resistência dos materiais. 3. ed. São Paulo: Pearson Makron Books, 2006. Considerando o contexto apresentado, faça uma análise e determine algebricamente: a) A orientação dos planos principais. b) As tensões principais.
  • 4. 14/06/2023, 15:14 Unicesumar - Ensino a Distância about:blank 3/3 c) A tensão de cisalhamento máxima. ALTERNATIVAS Nenhum arquivo enviado.