A Please enter your supplied question data (KN) P 300 KN Dimensions (mm) 65 mm B 45 mm (kNm) M 2.5 / Non

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A
Please enter your supplied question data
(kN)
P
300 KN
Dimensions (mm)
B
65 mm
45 mm
(kNm)
M
2.5 KN
Transcribed Image Text:A Please enter your supplied question data (kN) P 300 KN Dimensions (mm) B 65 mm 45 mm (kNm) M 2.5 KN
Q1. A beam is subjected to a tensile load (P) and a bending moment (M) as shown
in Fig. 1. You may assume that the tensile load is applied along the neutral axis of
the section.
P
M
€
Fig, 1
A
U
Mechanics of Materials 2
The beam is manufactured from a 'U' section channel with the dimensions given in
Fig. 2. Note that the channel section has a uniform thickness of 10 mm.
B
Fig. 2
10
M
P
y
To solve the problem you should take the following steps:
(1)
(ii)
(iii)
X
Z
2
Tutorials Portfolio: Exercise 2
Evaluate the maximum and minimum stresses that the beam must carry under the
combined bending moment and axial load.
You should use the supplied question data and please record your answers in the
table on the front page.
Determine the position of the Neutral Axis (find y bar)
Calculate the Second Moment of Area of the section (Iz)
Calculate the values of all stresses acting at the top and bottom surfaces of
the beam section (Fig. 2) and hence determine the maximum and minimum
stresses due to the combination of the bending moment and the end load.
Transcribed Image Text:Q1. A beam is subjected to a tensile load (P) and a bending moment (M) as shown in Fig. 1. You may assume that the tensile load is applied along the neutral axis of the section. P M € Fig, 1 A U Mechanics of Materials 2 The beam is manufactured from a 'U' section channel with the dimensions given in Fig. 2. Note that the channel section has a uniform thickness of 10 mm. B Fig. 2 10 M P y To solve the problem you should take the following steps: (1) (ii) (iii) X Z 2 Tutorials Portfolio: Exercise 2 Evaluate the maximum and minimum stresses that the beam must carry under the combined bending moment and axial load. You should use the supplied question data and please record your answers in the table on the front page. Determine the position of the Neutral Axis (find y bar) Calculate the Second Moment of Area of the section (Iz) Calculate the values of all stresses acting at the top and bottom surfaces of the beam section (Fig. 2) and hence determine the maximum and minimum stresses due to the combination of the bending moment and the end load.
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