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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A disc of radius 0.4 m and mass 1 kg rotates about an axis passing through its centre and perpendicular to its plane. The angular acceleration is . The tangential force applied to the rim of the disc is [MHT-CET 2021, MHT-CET 2021]

Answer: (A)

Solution

and

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Question ID VK-040951