11. A5mbar of negligible weight rests in a horizontal position on the smooth planes
as shown in above Fig. 4. Determine the load P and reactions at supports.

Fig. 4
SET 2 : Answer any 2 questions. Each question carries 10 Marks. (2x10 = 20 Marks)

12. a) Define radius of gyration.
b) Find the Centre of Gravity for the un-shaded composite area shown in Fig.5.

dius=1

~ क्र ‏له‎
‎All dimensions in mm

Fig. 5

13. Determine the moments of inertia of the shaded area (Fig. 6) with respect to the
x and y axes.