3. Consider two thin-walled beams of the same wall thickness with cross- sections as shown in Figure 2. Applied torque is the same for both beams. Beams are twisted such that twisting angles are equal to each other. Find the relation between R2 and R₁ for the case = π/3. What will be this relation if we double the center angle o? R₁ R₁ R₂ FIGURE 2. Cross-sections of two thin-walled beams.

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3. Consider two thin-walled beams of the same wall thickness with cross-
sections as shown in Figure 2. Applied torque is the same for both beams.
Beams are twisted such that twisting angles are equal to each other. Find the
relation between R2 and R₁ for the case = π/3. What will be this relation
if we double the center angle o?
R₁
R₁
R₂
FIGURE 2. Cross-sections of two thin-walled beams.
Transcribed Image Text:3. Consider two thin-walled beams of the same wall thickness with cross- sections as shown in Figure 2. Applied torque is the same for both beams. Beams are twisted such that twisting angles are equal to each other. Find the relation between R2 and R₁ for the case = π/3. What will be this relation if we double the center angle o? R₁ R₁ R₂ FIGURE 2. Cross-sections of two thin-walled beams.
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