(Answered) A disk of radius1m and to mass 2 kg is suspended from a

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A disk of radius1m and to mass 2 kg is suspended from a point on its circmfrences where it free to rotate. The value of g can be taken to be 10. What is the frequency of small oscillation, the wall which is against the ladder with a force of:

A) 150N
B) 300N
C) 400 N
D) 600 N
E) 800 N

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