A bar of a certain material has 50 mm x 50 mm cross-section. When it is subjected to an axial pull of 150 kN, the reduction in each side is observed to be 0.00625 mm. Determine the modulus of elasticity and Poisson’s ratio of the material. The modulus of rigidity of the material is 50 GPa
A bar of a certain material has 50 mm x 50 mm cross-section. When it is subjected to an axial pull of 150 kN, the reduction in each side is observed to be 0.00625 mm. Determine the modulus of elasticity and Poisson’s ratio of the material. The modulus of rigidity of the material is 50 GPa
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Answer all .Determine the second moment of area of the shaded portion about the reference axis Y-Y shown
in the below figure.figure is attached
A bar of a certain material has 50 mm x 50 mm cross-section. When it is subjected to an axial
pull of 150 kN, the reduction in each side is observed to be 0.00625 mm. Determine the modulus
of elasticity and Poisson’s ratio of the material. The modulus of rigidity of the material is 50
GPa.
A steel bar 60 mm in diameter and copper bar of 50 mm in diameter having lengths of 1.5 m
each are rigidly fixed at one end as shown in figure. Determine the stresses in bars which causes
shortening of compound bar by 0.9 mm from its original length due to the external load W. For
steel, Es= 200 GPa, and for copper, Ec = 100 GPa.
Transcribed Image Text:R=20 mm
R%3D10 mm
50 mm
25 mm
45 mm
20 mm
20 mm
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