A bronze bar is fastened between a steel bar and an aluminum bar as shown in Fig. P-211. Axial loads are applied at the positions indicated. Find the largest value of P that wil not exceed an overall deformation of 3.0 mm, or the following stresses: 140 MPa in the steel, 120 MPa in the bronze, and 80 MPa in the aluminum. Assume that the assembly is suitably braced to prevent buckling. Use E = 200 GPa, E = 70 GPa, and Epr = 83 GPa. %3D

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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211. A bronze bar is fastened between a steel bar and an aluminum bar as shown in Fig
P-211. Axial loads are applied at the positions indicated. Find the largest value of
P that will not exceed an overall deformation of 3.0 mm, or the following stresses:
140 MPa in the steel, 120 MPa in the bronze, and 80 MPa in the aluminum. Assume
that the assembly is suitably braced to prevent buckling. Use E = 200 GPa, E =
70 GPa, and Epr = 83 GPa.
%3D
Bronze
Steel
650 mm2
Aluminum
480 mm
2
320 mm
A
3P
4P
2P
1.0 m
-2.0m·
1.5 m-
Figure P-211
Transcribed Image Text:211. A bronze bar is fastened between a steel bar and an aluminum bar as shown in Fig P-211. Axial loads are applied at the positions indicated. Find the largest value of P that will not exceed an overall deformation of 3.0 mm, or the following stresses: 140 MPa in the steel, 120 MPa in the bronze, and 80 MPa in the aluminum. Assume that the assembly is suitably braced to prevent buckling. Use E = 200 GPa, E = 70 GPa, and Epr = 83 GPa. %3D Bronze Steel 650 mm2 Aluminum 480 mm 2 320 mm A 3P 4P 2P 1.0 m -2.0m· 1.5 m- Figure P-211
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