A structural member supports loads, which produce at a particular point, a state of pure shear stress
of 50 N/mm 2. At what angles are the principal planes oriented with respect to the plane of pure
shear?
(A) π/6 and 2π/3 (B) π/4 and 3π/4 (C) π/4 and π/2 (D) π/2 and π
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2016 Q.15)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (1 Mark, 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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