A couple applied to a flywheel of mass 5 kg and of radius of gyration 20 cm produces an angular acceleration of 4 radians/sec<sup>2</sup>. The torque applied in dyne cm is

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Q. A couple applied to a flywheel of mass 5 kg and of radius of gyration 20 cm produces an angular acceleration of 4 radians/sec². The torque applied in dyne cm is

(A) 8 x 10⁴
(B) 8 x 10⁶
(C) 8 x 10⁷
(D) 8 x 10⁸

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✅ Correct Answer: (B) 8 x 10⁶

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