The moment of inertia of a planar disc about a diameter is 8kgm2. What is the moment of inertia about an axis passing through its centre and perpendicular to the plane of disc?
A. 8kgm2
B. 16kgm2
C. 4kgm2
D. 2√2kgm2
Answer:B
The moment of inertia of a planar disc about a diameter is 8kgm2. What is the moment of inertia about an axis passing through its centre and perpendicular to the plane of disc?
A. 8kgm2 B. 16kgm2 C. 4kgm2 D. 2√2kgm2