Asked by qwerty
A steel bar of length L and cross-sectional area A is fitted between rigid supports.
Write an expression for the stress in the bar when the temperature is raised by an amount ΔT. Write your answer in terms of α,E and ΔT.
Is the stress compressive or tensile?
compressive
tensile
Write an expression for the stress in the bar when the temperature is raised by an amount ΔT. Write your answer in terms of α,E and ΔT.
Is the stress compressive or tensile?
compressive
tensile
Answers
Answered by
Mm
sigma = -E*alpha*DeltaT
Compressive
Compressive
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