# Point masses 1 , 2 , 3 and 4 kg are lying at the point (0 , 0 , 0), (2 , 0 , 0), (0, 3, 0) and (-2 , -2 , 0) respectively. The moment of inertia of this system about x-axis will be

Q: Point masses 1 , 2 , 3 and 4 kg are lying at the point (0 , 0 , 0), (2 , 0 , 0), (0, 3, 0) and (-2 , -2 , 0) respectively. The moment of inertia of this system about x-axis will be

(a) 43 kg-m2

(b) 34 kg-m2

(c) 27 kg-m2

(d) 72 kkg-m2

Ans: (a)