MCQ Practice All Subject 📖 কোনো member এর দুই প্রান্ত fixed থাকলে Effective Length Factor, K কত হবে? A 0.5 B 0.7 C 1.0 D 2.0 Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up