Computer · Strength of Materials
अपने केंद्रक अक्ष (Centroidal axis) के परितः एक खोखले वृत्ताकार खंड (बाहरी व्यास = D, आंतरिक व्यास = d) का जड़त्व आघूर्ण (Moment of inertia) क्या होता है?
- 1π (D3 - d3)12
- 2π (d4 + D4)32
- 3π (D4 - d4)64✓
- 4π (d4 + D4)64
सही उत्तर देखें
π (D4 - d4)64
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