Consider four thin -walled beams of different open cross-sections, as shown in the cases (i-iv). A
shear force of magnitude 'F' acts vertically downward at the location 'P' in all the beams. In which
of the following case, does the shear force induce bending and twisting?
Case (i)
Case (ii)
Case (iii)
Case (iv)
(A) (i) (B) (ii)
(C) (iii) (D) (iv)
3/9
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2016 Q.13)**
**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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