1. Examples

2. Problem-1
For the shaded area and the strip shown in the two figures, calculate the moment of Inertia and radius of gyration about the x-axis (i.e. Ix and rx) x
6 m
y = x2 / 12
3 m y x
6 m
y = x2 / 12
3 m y
July 29, 2019

3. Solution x
6 m
y = x2 / 12
3 m y
July 29, 2019

4. Solution (Contd.) x
6 m
y = x2 / 12
3 m y
July 29, 2019

7. Determine the moment of inertia of the shaded area about the x-axis.
20 mm y
100 mm
170 mm x
50 mm O
July 29, 2019

8. Solution
20 mm y
100 mm
170 mm x
50 mm O 1 2 3
July 29, 2019

10. Sums (106)

12. Sample Final Exam Question1:

13. 2

14. Sample Final Exam Question2:

16. Sample Final Exam Question3:4
19.29 mm

17. 19.29
19.29
19.29
mm4
mm4

18. Sample Final Exam Question4: