Numerical - Gyroscopic couple acting on disc, given mass moment of inertia - Theory of Machines - 2

Q.  What is the gyroscopic couple acting on the disc which has mass moment of inertia equal to 0.02135 kg-m2. If disc has a speed of 500 rpm and is made to precess at 100 rpm.
- Published on 06 Aug 15

a. 13.21 N-m
b. 11.70 N-m
c. 10.23 N-m
d. Incomplete data

ANSWER: 11.70 N-m

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