📊 Applied Mechanics
Q. The moment of inertia of a hollow circular section whose external diameter is 8 cm and interial diameter is 6 cm about the axis passing through its centre is
  • (A) 66.8 cm4
  • (B) 137.5 cm4
  • (C) 550 cm4
  • (D) 33.4 cm4
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✅ Correct Answer: (B) 137.5 cm4

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