A straight bar of circular cross-section has a diameter of 50 mm. The bar is subjected to a time varying eccentric tensile load at a distance of 10 mm from the centre of its cross-section (see Figure 3). The load varies in a sinusoidal fashion with time, in a cycle between zero and a value F. The material of the bar has a tensile strength of 420 MPa and a fatigue limit in fully reversed loading of 175 MPa. O to F 0 to F 10 mm Figure 3 B (i) For the points A and B defined on the cross-section shown in Figure 3, sketch how the components of normal stress will vary on a plot of normal stress versus time. On each plot, show the stress components due to axial loading, and due to bending, as well as the total normal stress. Note: At this point in the question you do not need to give magnitudes of the developed stresses.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A straight bar of circular cross-section has a diameter of 50 mm. The bar is
(c)
subjected to a time varying eccentric tensile load at a distance of 10 mm from the
centre of its cross-section (see Figure 3). The load varies in a sinusoidal fashion
with time, in a cycle between zero and a value F. The material of the bar has a
tensile strength of 420 MPa and a fatigue limit in fully reversed loading of
175 MPa.
O to F
O to F
10 mm
Figure 3
B
(i) For the points A and B defined on the cross-section shown in Figure 3, sketch
how the components of normal stress will vary on a plot of normal stress
versus time. On each plot, show the stress components due to axial loading,
and due to bending, as well as the total normal stress. Note: At this point in
the question you do not need to give magnitudes of the developed stresses.
Transcribed Image Text:A straight bar of circular cross-section has a diameter of 50 mm. The bar is (c) subjected to a time varying eccentric tensile load at a distance of 10 mm from the centre of its cross-section (see Figure 3). The load varies in a sinusoidal fashion with time, in a cycle between zero and a value F. The material of the bar has a tensile strength of 420 MPa and a fatigue limit in fully reversed loading of 175 MPa. O to F O to F 10 mm Figure 3 B (i) For the points A and B defined on the cross-section shown in Figure 3, sketch how the components of normal stress will vary on a plot of normal stress versus time. On each plot, show the stress components due to axial loading, and due to bending, as well as the total normal stress. Note: At this point in the question you do not need to give magnitudes of the developed stresses.
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