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(a) how that the polar radius of gyration ko of the annular area shown is approximately equal to the mean radiu R = (R₁ + R₂)/2 for small values of the thickness t = R₂-R₁. (b) Determine the percentage error introduced by using R in place of ko for the following values of t/R_: 1, 1 and 10 NIH 2

(a) how that the polar radius of gyration ko of the annular area shown is approximately equal to the mean radiu R = (R₁ + R₂)/2 for small values of the thickness t = R₂-R₁. (b) Determine the percentage error introduced by using R in place of ko for the following values of t/R_: 1, 1 and 10 NIH 2

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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(a) how that the polar radius of gyration ko of the annular area shown is approximately equal to the mean radius Rm = (R₁ + R₂)/2 for small values of the thickness t = R₂ - R₁. 1 (b) Determine the percentage error introduced by using R. in place of ko for the following values of t/Rm: 1, 2, and 10 y x Rí R₂. Fig. P9.25 and P9.26 R
Transcribed Image Text:(a) how that the polar radius of gyration ko of the annular area shown is approximately equal to the mean radius Rm = (R₁ + R₂)/2 for small values of the thickness t = R₂ - R₁. 1 (b) Determine the percentage error introduced by using R. in place of ko for the following values of t/Rm: 1, 2, and 10 y x Rí R₂. Fig. P9.25 and P9.26 R
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