Determine the coordinates of the centroid of shaded area shown in Fig. 7.24 with respect to the corner point O. Take x = 40 mm.

Structural Analysis
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Chapter2: Loads On Structures
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Determine the coordinates of the centroid of shaded area shown in Fig. 7.24 with respect to the corner point O. Take x = 40 mm.
fn
8th S
intel
CORE
IS
NVIDIA
EFFORCE
710 The cross-se
moment of ir
to top edge.
= 1.15
84
ELEMENTS OF CIVIL ENGINEERING & ENGINEERING MECHANICS
2x
6x
Ans.
3x
3x
R= 3x
+ 2x
Fig. 7.24.
7.7 Determine the coordinates of the centroid of shaded area shown in Fig. 7.24 with respect
= 113.95 mm]
AB.
11 The strengtE
increased by
in Fig. 7.27.
section with
to the corner point O. Take x = 40 mm.
[Ans. = 260.07 mm; y
7.8 ABCD is a square section of sides 100 mm. Determine the ratio of moment of inertia of the
section about centroidal axis parallel to a side to that about diagonal AC.
(Ans. Ix
[Ans. 1]
7.9 The cross-section of a rectangular hollow beam is as shown in Fig. 7.53. Determine the
polar moment of inertia of the section about centroidal axes.
am']
[Ans. I = 1,05,38667 mm“; Iy = 49,06667 mm"; I. = 1,54,45334 mm
r=2x
Transcribed Image Text:fn 8th S intel CORE IS NVIDIA EFFORCE 710 The cross-se moment of ir to top edge. = 1.15 84 ELEMENTS OF CIVIL ENGINEERING & ENGINEERING MECHANICS 2x 6x Ans. 3x 3x R= 3x + 2x Fig. 7.24. 7.7 Determine the coordinates of the centroid of shaded area shown in Fig. 7.24 with respect = 113.95 mm] AB. 11 The strengtE increased by in Fig. 7.27. section with to the corner point O. Take x = 40 mm. [Ans. = 260.07 mm; y 7.8 ABCD is a square section of sides 100 mm. Determine the ratio of moment of inertia of the section about centroidal axis parallel to a side to that about diagonal AC. (Ans. Ix [Ans. 1] 7.9 The cross-section of a rectangular hollow beam is as shown in Fig. 7.53. Determine the polar moment of inertia of the section about centroidal axes. am'] [Ans. I = 1,05,38667 mm“; Iy = 49,06667 mm"; I. = 1,54,45334 mm r=2x
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