1- The two uniform linearly elastic rods shown below are welded together at B, and the resulting two-segment rod is attached to rigid supports at A and C. Rod (1) has a modulus E = 135 GPa, cross-sectional area A = coefficient of thermal expansion a = 7.5 x 10°/°C. Rod (2) has a modulus E2 = 85 GPa, cross-sectional area A2 = 950 mm2, length L2 = 90 mm, and coefficient of thermal expansion a2 = 12.5 x 10/°C. a) Determine the axial stresses in the rods if the temperature of both is raised by 60 °C. b) Determine whether joint B moves to the right or left and by how much? 520 mm, length L = 120 mm, and %3D %3D %3D %3! %3D Rigid support Rigid support

1- The two uniform linearly elastic rods shown below are welded together at B, and the resulting two-segment rod is attached to rigid supports at A and C. Rod (1) has a modulus E = 135 GPa, cross-sectional area A = coefficient of thermal expansion a = 7.5 x 10°/°C. Rod (2) has a modulus E2 = 85 GPa, cross-sectional area A2 = 950 mm2, length L2 = 90 mm, and coefficient of thermal expansion a2 = 12.5 x 10/°C. a) Determine the axial stresses in the rods if the temperature of both is raised by 60 °C. b) Determine whether joint B moves to the right or left and by how much? 520 mm, length L = 120 mm, and %3D %3D %3D %3! %3D Rigid support Rigid support

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

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1- The two uniform linearly elastic rods shown below are welded together at B, and the
resulting two-segment rod is attached to rigid supports at A and C. Rod (1) has a
modulus E = 135 GPa, cross-sectional area A = 520 mm“, length LI
coefficient of thermal expansion a = 7.5 x 10/°C. Rod (2) has a modulus E2 = 85 GPa,
cross-sectional area A2 = 950 mm2, length L2 = 90 mm, and coefficient of thermal
expansion a2 = 12.5 x 10/°C.
Determine the axial stresses in the rods if the temperature of both is raised by 60 °C.
b) Determine whether joint B moves to the right or left and by how much?
%3D
120 mm, and
%3D
%3D
Rigid support
Rigid support
В
(1)
(2)

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