The idealized cross-section of a beam is compri sed of four identical booms connected by shear
webs. The beam is subjected to a bending moment ܯas shown in the figure. The inclination of the
neutral axis to the x-axis in degrees is
(A) 45 CW (B) 45 CCW (C) 26.6 CW (D) 63.4 CCW
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2013 Q.38)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Structural Mechanics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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