Engineering Mechanics: Statics & Dynamics (14th Edition)

Published by Pearson
ISBN 10: 0133915425
ISBN 13: 978-0-13391-542-6

Chapter 17 - Planar Kinetics of a Rigid Body: Force and Acceleration - Section 17.1 - Mass Moment of Inertia - Problems: 15

Answer

$I_{O}=1.36$ kg*m$^2$

Work Step by Step

$I_{O}=\Sigma I+md^2=[\frac{1}{12}(1.2)^2(3)(1.2)+3(1.2)(0.2)^2]+[(\frac{1}{12}(0.4)(3)(0.4)^2+(0.4)(3)(0.4)^2]=1.36$ kg*m$^2$
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