Question
Physics Question on rotational motion
A thin uniform rectangular plate of mass 2 kg is placed in X-Y plane as shown in figure. The moment of inertial about x-axis is Ix = 0.2 kg m2 and the moment of inertia about y-axis is Iy = 0.3 kg m2. The radius of gyration of the plate about the axis passing through O and perpendicular to the plane of the plate is
A
50 cm
B
5 cm
C
38.7 cm
D
31.6 cm
Answer
50 cm
Explanation
Solution
The correct answer is (A) : 50 cm.