engineering recuitment WBPSC JE Civil Mock Test 2022 Strength of Materials Shear Force and Bending Moment
Which of the following statements is true for shear force (SF) and bending moment (BM) diagram [where, w = weight per unit length]
1
Change in BM over a small length [dM] = Area of SF diagram under that length [Vdx]
2
Change in BM over a small length [dM] = Rate of change of SF under that length [dV / dx]
3
Rate of change of Change in BM over a small length [dM / dx] = Rate of change of SF under that length [dV / dx]
4
Change in SF over a small length [dV] is greater than area of loading diagram over that length [wdx]