Find the centre of mass of a unifrom (a) half-disc,(b) quarter-disc.

Find the centre of mass of a uniform : (a) half-disc, (b) quarter-disc.

Find the cente of mass of a uniform half-disc

Find the centre of mass of a uniform quarter-disc.

Find the centre of mass of a unifrom disc of radius a from which a circulr section of radius b has been removed. The centre of hole is at a distance c from the centre of the disc.

Find the centre of mass of the shaded portion of a disc.

Find the centre of mass of the shaded portion of a disc.

Find the centre of mass of a uniform disc of radius a from which a circualr section of radius b has been removed. The centre of hole is at a distance c from the centre of the disc.

Find the centre of mass of a thin, uniform disc of radius R from which a small concentric disc of radius r is cut.

Find the position of centre of mass of a uniform disc of radius R from which a hole of radius is cut out. The centre of the hole is at a distance R/2 from the centre of the disc.