An aluminium rod is rigidly attached between a steel rod and a bronze rod as shown in Figure 3. Axial loads are applied at the positions indicated. (a) Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminium of 90 MPa, or in bronze of 100 MPa. (b) Using the answer from question (a), determine the total elongation of the rods. Steel Aluminium A = 500 mm² E = 200 GPa Bronze A = 400 mm² E = 70 GPa A = 200 mm² E = 83 GPa 4P P 2P 2.5 m 2.0 m 1.5 m Figure 3

An aluminium rod is rigidly attached between a steel rod and a bronze rod as shown in Figure 3. Axial loads are applied at the positions indicated. (a) Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminium of 90 MPa, or in bronze of 100 MPa. (b) Using the answer from question (a), determine the total elongation of the rods. Steel Aluminium A = 500 mm² E = 200 GPa Bronze A = 400 mm² E = 70 GPa A = 200 mm² E = 83 GPa 4P P 2P 2.5 m 2.0 m 1.5 m Figure 3

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.3.21P: A slightly tapered bar AB of solid circular crass section and length L is supported at end B and...

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Question 1: A steel rod is rigidly attached between an aluminum rod and a bronze rod as shown . Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminum of 90 MPa, or in bronze of 100 MPa. STEEL A = 400 mm² ALUMINUM BRONZE A = 200 mm² A = 500 mm² 2P 4P 2.5 m 2.0 m 1.5 m
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