A flat steel bar has axial loads (forces along the centroidal axis of the bar) applied at points A, B, C, and D, as shown in Fig. a. If the bar has a cross-sectional area of 3.00 in.², determine the normal stress in the bar (a) On a cross section 20 in. to the right of point A. (b) On a cross section 20 in. to the right of point B. (c) On a cross section 20 in. to the right of point C. Figure (a) 81 kip 30 in. 45 in. OA BOC 54 kip 40 in. (a) 18 kip Ꭰ . 45 kip

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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il Engineering Dept. /Second Year
"Strength of Materials"
Home Works:
A flat steel bar has axial loads (forces along
the centroidal axis of the bar) applied at points A, B, C, and D, as shown in
Fig. a. If the bar has a cross-sectional area of 3.00 in.², determine the normal
stress in the bar
(a) On a cross section 20 in. to the right of point A.
(b) On a cross section 20 in. to the right of point B.
(c) On a cross section 20 in. to the right of point C.
Figure (a)
81 kip
30 in. 45 in.
OA BOC
18 kip
54 kip
40 in.
(a)
Do
Prof. Dr. Qais Fadhil
45 kip
Transcribed Image Text:il Engineering Dept. /Second Year "Strength of Materials" Home Works: A flat steel bar has axial loads (forces along the centroidal axis of the bar) applied at points A, B, C, and D, as shown in Fig. a. If the bar has a cross-sectional area of 3.00 in.², determine the normal stress in the bar (a) On a cross section 20 in. to the right of point A. (b) On a cross section 20 in. to the right of point B. (c) On a cross section 20 in. to the right of point C. Figure (a) 81 kip 30 in. 45 in. OA BOC 18 kip 54 kip 40 in. (a) Do Prof. Dr. Qais Fadhil 45 kip
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