Question: 1. A rectangular block of size 2r x h x d is glued to a semi cylinder of radius r and depth d, as

1. A rectangular block of size 2r x h x d is

1. A rectangular block of size 2r x h x d is glued to a semi cylinder of radius r and depth d, as shown in figure. Find out hmar for stable equilibrium in the position shown. The two solids are of same (10) material. 2r h 2 For the Z-section shown in figure, determine the orientation of principal axes through the centroid. Also obtain the values of principal moments of inertia. (10) 12 cm 3 m 9 cm 3 m 3 m 12 cm

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