Question 3: Rectangular bars of copper and aluminium are held by pins at their ends, as shown in the figure below. Thin spacers provide a separation between the bars. The copper bars have cross-sectional dimensions 12 mm by 50mm, and the aluminium bar has dimensions 25 mm by 50 mm. Determine the shear stress in the 11mm diameter pins if the temperature is raised by 40°C. Draw the required free body diagrams. For copper, E-124 GPa and dc=20x10°C; for aluminium, E.= 69 GPa and a,=26x10°°C. Page 1 of 4 Copper bar- Aluminum bar Copper bar-

Question 3: Rectangular bars of copper and aluminium are held by pins at their ends, as shown in the figure below. Thin spacers provide a separation between the bars. The copper bars have cross-sectional dimensions 12 mm by 50mm, and the aluminium bar has dimensions 25 mm by 50 mm. Determine the shear stress in the 11mm diameter pins if the temperature is raised by 40°C. Draw the required free body diagrams. For copper, E-124 GPa and dc=20x10°C; for aluminium, E.= 69 GPa and a,=26x10°°C. Page 1 of 4 Copper bar- Aluminum bar Copper bar-

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 2.5.13P: Rectangular bars of copper and aluminum are held by pins at their ends, as shown in the figure. Thin...

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