alleryStart learning →Two particles of 2 kg at 1 m and 3 kg at 2 m from an axis. Their moment of inertia in kg m² is
A14
B8
C10
D7
Answer & Solution
Correct answer: A. 14
I = Σmr² = 2(1)² + 3(2)² = 2 + 12 = 14 kg m².
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