From a thin uniform disc of radius `2R`. Another disc of diameter `2R` is removed. The mass of the remaining portion is `m`. Find the `M.I.` of the shaded portion about an axis passing through `O` and pependicular to the plane.

From a circular disc of radius R , another disc of diameter R is removed. Locate c.m. of the remaining portion.

From a disc of radius r_(1) , a concentric disc of radius r_(2) is removed . The mass of the remaining portion is m . Find the M.I. of the remaining about an axis passing through the center of mass and perpendicular to the plane.

From a ring of mass M and radius R, a 30^o sector is removed. The moment of inertia of the remaining portion of the ring, about an axis passing through the centre and perpendicular to the plane of the ring is

From a circular disc of mass M and radius R , a part of 60^(@) is removed. The M.I. of the remaining portion of disc about an axis passing through the center and perpendicular to plane of disc is

From a circular disc of mass M and radius R , a part of 60^(@) is removed. The M.I. of the remaining portion of disc about an axis passing through the center and perpendicular to plane of disc is

From a semicircular disc of radius r_(1) , another semicircular disc of radius r_(2) is removed. Find the c.m. of the remaining position.

Calculate the moment of inertia of a disc of radius R and mass M, about an axis passing through its centre and perpendicular to the plane.

Find the radius of gyration of a disc of mass M and radius R rotating about an axis passing through the center of mass and perpendicular to the plane of the disc.