(D) unknown number of joint degrees of freedom, which cannot be solved using laws of mechanics
Consider a single degree of freedom spring-mass-damper system with mass, damping and stiffness
of , and , respectively. The logarithmic decrement of this system can be calculated using m c k
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2011 Q.8)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Verbal & Numerical Aptitude** under *General Aptitude* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Verbal & Numerical Aptitude equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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