Four particles of mass `m` are connected by massless rods to form a rectangle-of sides `2a` and `2b` as shown. The assembly, rotates about an axis in the plane of the figure through the centre. Find the moment of inertia about the axis:,

A rod PQ of mass m and length L is rotated about an axis through P as shown in figure. Find the moment of inertia of the rod about the axis of rotation.

Four particles each of mass m are kept at the four corners of a square of edge a. Find the moment of inertia of the system about an axis perpendicular to the plane of the system and passing through the centre of the square.

Three identical thin rods, each of length L and mass m , are welded perpendicular to one another as shown in figure. The assembly is rotated about an axis that passes through the end of one rod and is parallel to another. The moment of inertia of this structure about this axis is. .

If two charged particles each of charge q mass m are connected to the ends of a rigid massless rod and is rotated about an axis passing through the centre and bot to length. Then find the ratio of magnetic moment to angular momentum

If two charged particles each of charge q mass m are connected to the ends of a rigid massless rod and is rotated about an axis passing through the centre and bot to length. Then find the ratio of magnetic moment to angular momentum

What is the moment of inertia of a rod of mass M, length 1 about an axis perpendicular to it through one end ? Given the moment of inertia about the centre of mass is 1/12Ml^2 .

What is the moment of inertia of a rod of mass M and length L about an axis perpendicular to it through one end ? Given the moment of inertia about the centre of mass is- 1/12ML2

Two spheres each of mass M and radius R//2 are connected with a massless rod of length R . Find the moment of inertia of the system about an axis passing through the centre of one of the sphere and perpendicular to the rod

Two spheres each of mass M and radius R//2 are connected with a massless rod of length R . Find the moment of inertia of the system about an axis passing through the centre of one of the sphere and perpendicular to the rod

A uniform rod of mass m is rotated about an axis passing through point O as shown. Find angular momentum of the rod about rotational law.