la) 20 (b)/ 34/3 FIGURE 4.3 Two sections with the same area. (a) A flat section. (b) A V-section. Figure 4.3 shows two c
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la) 20 (b)/ 34/3 FIGURE 4.3 Two sections with the same area. (a) A flat section. (b) A V-section. Figure 4.3 shows two c
la) 20 (b)/ 34/3 FIGURE 4.3 Two sections with the same area. (a) A flat section. (b) A V-section. Figure 4.3 shows two cross sections which have the same area. One is a flat section with width 2a and thickness t where 2a »t and the other is in a folded V-form with its dimensions shown in Figure 4.3b. Calculate the second moments of areas of the two cross sections about their neutral axes.
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