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The bending moment of a beam depends on only

Question and options

The bending moment of a beam depends on only
  1. Young’s modulus
  2. Bulk modulus
  3. Modulus of rigidity
  4. Poisson’s ratio

Answer and explanation

Correct answer: A - Young’s modulus
Bending moment of a beam = YIR\frac{YI}{R}, where YY is Young's modulus and II the geometrical moment of inertia; it depends on Young's modulus.

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