In a system of two rotating disks, if disk A has twice the moment of inertia of disk B and they are both rotating with the same angular velocity, what can be said about their angular momentum?
Practice Questions
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In a system of two rotating disks, if disk A has twice the moment of inertia of disk B and they are both rotating with the same angular velocity, what can be said about their angular momentum?
LA = LB
LA = 2LB
LA = 4LB
LA = 1/2 LB
Angular momentum L = Iω; since IA = 2IB and ωA = ωB, LA = 2LB.
Questions & Step-by-step Solutions
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Q
Q: In a system of two rotating disks, if disk A has twice the moment of inertia of disk B and they are both rotating with the same angular velocity, what can be said about their angular momentum?
Solution: Angular momentum L = Iω; since IA = 2IB and ωA = ωB, LA = 2LB.
