1. Find the centre of gravity of a T-section with flange 150 mm x 10 mm and web also 150 mm x 10 mm. [Ans. 115 mm for bottom of the web] 2. Find the centre of gravity of an inverted T-section with flange 60 mm x 10 mm and web [Ans. 18.6 mm from bottom of the flange] 50 mm x 10 mm 3. A channel section 300 mm x 10 mm is 20 mm thick. Find the centre of gravity of the [Ans. 27.4 mm] section from the back of the web. 4. Find the centre of gravity of an T-section with top flange 100 mm x 20 mm, web 200 mm x 30 mm and bottom flange 300 mm x 40 mm. [Ans. 79 mm from bottom of lower flange] 5. Find the position of the centre of gravity of an unequal angle section 10 cm x [Ans. 5.67 cm and 2.67 cm] 16 cm x 2cm. O Samsung Dual Camera

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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3.A channel section 300 mm × 10 mm × 20 mm thick. Find the centre of gravity of the section from the back of the web?

2r sin a
y :
2 x 220
sin 30°
440
0.5
= 140 mm
Ans.
3
TC
6.
6.
EXERCISE 1
1. Find the centre of gravity of a T-section with flange 150 mm x 10 mm and web also
[Ans. 115 mm for bottom of the web]
150 mm x 10 mm.
2. Find the centre of gravity of an inverted T-section with flange 60 mm x 10 mm and web
[Ans. 18.6 mm from bottom of the flange]
50 mm x 10 mm
3. A channel section 300 mm x 10 mm is 20 mm thick. Find the centre of gravity of the
[Ans. 27.4 mm]
section from the back of the web.
4. Find the centre of gravity of an T-section with top flange 100 mm x 20 mm, web
200 mm x 30 mm and bottom flange 300 mm x 40 mm.
[Ans. 79 mm from bottom of lower flange]
5. Find the position of the centre of gravity of an unequal angle section 10 cm x
[Ans. 5.67 cm and 2.67 cm]
16 cm x 2cm.
Samsung Dual Camera
Shot by Abishkar Roy
3.
Transcribed Image Text:2r sin a y : 2 x 220 sin 30° 440 0.5 = 140 mm Ans. 3 TC 6. 6. EXERCISE 1 1. Find the centre of gravity of a T-section with flange 150 mm x 10 mm and web also [Ans. 115 mm for bottom of the web] 150 mm x 10 mm. 2. Find the centre of gravity of an inverted T-section with flange 60 mm x 10 mm and web [Ans. 18.6 mm from bottom of the flange] 50 mm x 10 mm 3. A channel section 300 mm x 10 mm is 20 mm thick. Find the centre of gravity of the [Ans. 27.4 mm] section from the back of the web. 4. Find the centre of gravity of an T-section with top flange 100 mm x 20 mm, web 200 mm x 30 mm and bottom flange 300 mm x 40 mm. [Ans. 79 mm from bottom of lower flange] 5. Find the position of the centre of gravity of an unequal angle section 10 cm x [Ans. 5.67 cm and 2.67 cm] 16 cm x 2cm. Samsung Dual Camera Shot by Abishkar Roy 3.
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