1. (8 pts) A cylindrical bar has two sections with axial loadings, and the figures shown below have the overall geometry. The diameters of $BC$ and $A B$ are 5 in and 2 in, respectively. (a) Determine the axial stresses in Sections $A B$ and $BC$ . (b) Determine the displacement at $A$ and $B$ , given the Young's modulus $(E)$ of $15 Msi$ for brass and 29Msi for steel.

Question

1. (8 pts) A cylindrical bar has two sections with axial loadings, and the figures shown below have the overall geometry. The diameters of

BC

and

A B

are 5 in and 2 in, respectively. (a) Determine the axial stresses in Sections

A B

and

BC

. (b) Determine the displacement at

A

and

B

, given the Young's modulus

(E)

of

15 Msi

for brass and 29Msi for steel.

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