10-102 Determine the moment of inertia of the compos-ite body shown in Fig. P10-102 with respect to the r-axisshown on the figure. The density of the material is 7.87Mg/m?.200 mm200 mm200 mm200 mm250 mm100 mm200 mm 400 mm50 mm250 mmFig. P10-102

Answered: 10-102 Determine the moment of inertia…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Consider a circular, semi-circular, and a quarter-circular steel plate, whose moment of inertia about the z-axis are Izc, Izs, and Izq, respectively. They have equal mass densities and thicknesses. Which of the following is correct? a. Izc=Izs greater than Izqb. Izcgreater thanIzs=Izqc.Izcgreater thanIzsgreater thanIzq
(a) Show that the polar radius of gyration kO of the annular area shown is approximately equal to the mean radius Rm= (R1 + R2)/2 2 for small values of th thickness t= R2 - R1. (b) Determine the percentage error introduced by using Rm in place of kO for values of t/ Rm respectively equal to 1, 1/2 and 1/10.Fig. P9.19
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10-102 Determine the moment of inertia of the compos- ite body shown in Fig. P10-102 with respect to the r-axis shown on the figure. The density of the material is 7.87 Mg/m?. 200 mm 200 mm 200 mm 200 mm 250 mm 100 mm 200 mm 400 mm 50 mm 250 mm Fig. P10-102