72) The point of contra flexure is a point where
Answer is:
bending moment changes sign
Related Strength of Materials MCQ with Answers
Answer is:
maximum
Answer is:
does not exists
Explanation:
The point where the bending moment changes sign (or zero) is known as point of contraflexure. This point generally occurs in overhanging beams.
In a simply supported beam carrying a uniformly distributed load w per unit length, bending moment does not changes its sign, hence the point of contraflexure does not exists.
Answer is:
point load at the two points
Answer is: