A stepped cantilever beam, made of a material having Young's modulus
E = 200 GPa, is shown in the figure below. The length and the moment of inertia
of the beam from point A to B are L1 = 100 mm and I1 = 100 mm4, respectively.
The length and the moment of inertia of the beam from point B to C are L2 = 100
mm and I2 = 700 mm4, respectively. A shear force P = 30 N is applied at point A
of the beam. The magnitude of the deflection of the beam at point A is
________ mm (rounded off to 1 decimal place).
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2026 Q.60)**
**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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