question_answer

Consider the following statements in case of beams:

1. Rate of change of shear force is equal to the rate of loading at a particular section.

2. Rate of change of bending moment is equal to the shear force at a particular section.

3. Maximum shear force in a beam occurs at a point where bending moment is either zero or bending moment changes sign.

Which of the above statement is/are correct'?

A) 1 alone             

B) 2 alone

C) 1 and 2            

D) 1, 2 and 3.