engineering recuitment HAL Management & Design Trainee Mock Test 2023 Strength of Materials Shear Force and Bending Moment
Consider the following statements regarding shearing force and bending moment :
1. Point of contra flexure 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 maximum or minimum, shear force should change its sign.
4. Rate of change of loading is equal to shear force.
Which of the above statements are correct?
1
2 and 3 only
2
1 and 4 only
3
1, 2 and 4 only
4
1, 2 and 3 only