A flywheel weighs $$\frac{981}{\pi}kg$$ and has a radius of gyration of 100 cm. It is given a spin of 100 rpm aboutits horizontal axis. The whole assembly is rotating abouta vertical axis at 6 rad/sec. The gyroscopic couple experienced will be

A

2,000 kgm

B

19,620 kgm

C

20,000 kgm

D

1,962 kgm