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Questions  

A torque of 2 N-m produces an angular acceleration of 2 rad/sec2 in a body. If its radius of gyration is 2m, its mass will be :

a
2 kg
b
4 kg
c
12kg
d
14kg

detailed solution

Correct option is D

τ=Iα=MK2α  ⇒M=τK2α=222⋅2=14kg

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