Moment of inertia of a rectangular plate about an axis passing through `P` and perpendicular to the plate is `I`. Moment of `PQR` about an axis perpendicular to the plabe of the plate :
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Moment of inertia of a rectangular plate about an axis passing through P and perpendicular to the plate is I . Moment of PQR about an axis perpendicular to the plane of the plate : .

I is moment of inertia of a thin square plate about an axis passing through opposite corners of plate. The moment of inertia of same plate about an axis perpendicular to the plane of plate and passing through its centre is

Find moment of inertia of a uniform rectangular plate about axis zz' passing through center and perpendicular to the plane of plate, as shown in Fig.

AB is a stick half of which is wood and the other half steel. I_(A) is moment of inertia about an axis passing through A and perpendicular to the length . I_(B) is moment of inertia about an axis passing through B and perpendicular to the length. Then

Moment of inertia of a thin uniform rectangular sheet about an axis passing through the center of mass and perpendicular to the plane of the sheet is

If I moment of inertia of a thin circular plate about an axis passing through tangent of plate in its plane. The moment of inertia of same circular plate about an axis perpendicular to its plane and passing through its centre is