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Find the radius of gyration if, moment of inertia I is 160 unit and 10 unit as area.(a) 4 unit(b) 5 unit(c) 2.3 unit(d) 5.6 unitThe question was asked by my school principal while I was bunking the class.I need to ask this question from Structural-Analysis Fundamentals in division Structures and Loads of Aircraft Design

Answer»

The correct option is (a) 4 unit

Easiest explanation: RADIUS of gyration = \(\sqrt{\frac{MOMENT \,of\, inertia}{Area}}\)

= \(\sqrt{\frac{160}{10}}\) = 4 unit.



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