4. The structure in the figure is composed of two rigid bars (AB and CD) and two vertical rods made of aluminum and steel. All connections are pin joints. Determine the maximum force P that can be applied to the structure if the vertical displacement of its point of application is limited to 7.5 mm. Neglect the weights of the members. Aluminum A = 300 mm² E = 70 GPa 2 m B Steel A = 500 mm² E = 200 GPa 2 m 3 m 3 m D

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 2.3.15P: The nonprismalic cantilever circular bar shown has an internal cylindrical hole of diameter dtl From...
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4. The structure in the figure is composed of two rigid bars (AB and CD) and two vertical
rods made of aluminum and steel. All connections are pin joints. Determine the maximum
force P that can be applied to the structure if the vertical displacement of its point of
application is limited to 7.5 mm. Neglect the weights of the members.
Aluminum
2 m
A = 300 mm2
E = 70 GPa
B
Steel
A = 500 mm2
E = 200 GPa
2 m
3 m
3 m
D
P
Transcribed Image Text:4. The structure in the figure is composed of two rigid bars (AB and CD) and two vertical rods made of aluminum and steel. All connections are pin joints. Determine the maximum force P that can be applied to the structure if the vertical displacement of its point of application is limited to 7.5 mm. Neglect the weights of the members. Aluminum 2 m A = 300 mm2 E = 70 GPa B Steel A = 500 mm2 E = 200 GPa 2 m 3 m 3 m D P
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