Four point masses of 20 g each are placed at the corners of a square ABCD of side 5 cm, as shown in Fig. 8.48. find the moment of inertia of the system (i) about an axis coinciding with the side BC and (ii) about an axis through A and perpendicular to the plane of the square.

Four point masses of 10 kg each are placed at the corners of a square PQRS of side 3 cm. Calculate the moment of inertia of the square about an axis coinciding with the side PQ of the square.

Four point masses of 5 g each are placed at the four corners fo a square of side 10 cm. Find the moment of inertia of the system (i) about an axis coinciding with one of the sides and (ii) about an axis passing through the point of intersection of the diagonals and perpendicular to the plane of the square.

Four point masses are placed at the corners of a square of side 2 m as shown in the figure. Find the centre of mass of the system w.r.t. the centre of square.

Four point masses, each of value m, are placed at the corners of a square ABCD of side l. The moment of inertia of this system about an axis passing through A and parallel to BD is

Four point masses, each of value m , are placed at the corners of square ABCD of side l . The moment of inertia of this system about an axis passing through A and parallel to BD is -

The point masses of 0.3 kg, 0.2 kg and 0.1 kg are placed at the corner of a right angles Delta ABC , as shown in Fig. 8.49. find the moment of inertia of the system (i) about an axis through A and perpendicular to the plane of the diagram and (ii) about an axis along BC.

Four point masses, each of value m, are placed at the corners of a squre ABCD of side l. The moment of inertia of the is system about an axis passing through A and parallel to BD is