Asked by asas

The composite bar BCD in the figure is composed of an inner aluminum cylindrical core of length 2l=2m and radius R=1cm and a sleeve of steel of length L=1m and thickness R=1cm surrounding the aluminum core in the CD section of the bar. The Young’s moduli are:Eal= 70Gpa = , andEsteel=210GPa . The bar is fixed at B and a concentrated tensile load F is applied at the free end D . The resulting total elongation of bar BCD , is 1cm . Determine the normal stress in the steel sleeve.
Answered by FLu
0.4 mm for last problem.

Anyone for MPa first problem please?
Answered by Mag
First par please and the others?
Answered by Arg
Anyone please?
Answered by me
Determine the normal stress in the steel sleeve.
plz help?
Answered by Pa
-86.8 MPa
Answered by me
thanhs Pa.
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