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Question
Consider the following statements regarding shearing force and bending moment:
1. Point of contraflexure is the point where bending moment changes its sign.
2. Shear force is the rate of change of bending moment.
3. For bending moment to be the maximum or minimum, shear force should change its sign.
4. Rate of change of loading is equal to shear force.
Which of the above statement(s) is/are incorrect?
A.
2 and 4 only
B.
1 and 4 only
C.
3 and 4 only
D.
4 only
Answer ( Option D)

4 only

Solution

Statements 1, 2 and 3 are correct
Statement 4 is incorrect, because
Loading intensity = Rate of change of shear force

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