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Second Law of Motion

At the point ...

Question

At the point of contraflexure:

A

Bending moment is minimum

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B

Bending moment is maximum

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C

Bending moment is zero

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D

Bending moment is zero and its sign changes.

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Solution

The correct option is D Bending moment is zero and its sign changes.
The point of contra flexure is a point where Bending moment is zero and its sign changes.

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