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The cantilever of length (l) carries a load whose intensity varies uniformly from zero at free end to w per unit length at the fixed end, the bending moment diagram will be

The cantilever of length (l) carries a load whose intensity varies uniformly from zero at free end to w per unit length at the fixed end, the bending moment diagram will be Correct Answer Cubic curve

Explanation:

The following table shows the shape of shear force and bending moment diagram for different loadings

Sr no

Loading

Shape of S.F.D

Shape of B.M.D

1

Only point loads

Rectangle or Uniform horizontal line (x0)

Triangle or Inclined straight line linear (x1)

2

U.D.L

Triangle or Inclined straight line linear (x1)

Second degree parabola or Square parabola or Parabolic (x2)

3

U.V.L

Second degree parabola or Square parabola or Parabolic (x2)

Third-degree parabola or Cubic parabola (x3)

4

Parabolic

Third degree parabola or Cubic parabola (x3)

Fourth degree parabola (x4)

Related Questions

Which of the following is the CORRECT bending moment diagram for the cantilever beam carrying uniformly varying load from zero at the free end to w/unit length at the fixed end?
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Selling price - Rs 6 per unit
Variable production cost - Rs 1.20 per unit
Variable selling cost - Rs 0.40 per unit
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