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.

Three point particles of masses 1.0 kg, 1.5 kg and 2.5 kg are placed at three corners of a right angle triangle as shown in figure. The centre of mass of the system is at a point :

Three particles of masses 0.50 kg, 1.0 kg and are placed at the corners of a right angle triangle, as shown in fig. Locate the centre of mass of the system.

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.

Particle of masses 2 kg, 2 kg, 1 kg and 1 kg are placed at the corners A, B, C, D of a square of side L as shown in Fig. Find the centre of mass of the system.

In the figure shown ABCD is a lamina of mass 12 kg . The moment of inertia of the given body about an axis passing through D, and perpendicular to the plane of the body is

Two masses of 3 kg and 5 kg are placed at 30 cm and 70 cm marks respectively on a light wooden meter scale, as shown in Fig. 8.51. what will the moment of inertia of the system about an axis through (i) 0 cm mark and (ii) 100 cm mark, and perpendicular to the meter scale?

Three identical masses, each of mass 1kg, are placed at the corners of an equilateral triangle of side l . Then the moment of inertia of this system about an axis along one side of the triangle is

The diameter of a thin circular disc of mass 2 kg is 0.2 m. Its moment of inertia about an axis passing through the edge and perpendicular to the plane of the disc is