Question

Consider a uniform square plate of side a and mass m. The moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corners is

(a) (2/3)ma²

(b) (5/6)ma²

(c) (1/12)ma²

(d) (7/12)ma²

Answer 1

(a) : For a rectangular sheet moment of inertia passing through O, perpendicular to the plate is