A damped single degree of freedom system whose undamped natural frequency,𝝎𝝎𝒏𝒏=10Hz, is
subjected to sinusoidal external force. Power is half of the maximumfor the two frequencies of
60.9469 rad/s and 64.7168 rad/s. The damping factor associated with the vibrating system (in %) is
_______.
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2014 Q.14)**
**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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