1. when the shear diagram is increasing, the moment diagram is concave upward. 2. The area if the shear diagram to the l

[answerhappygod]

1. when the shear diagram is increasing, the moment diagram is concave upward.
2. The area if the shear diagram to the left or to the right of the section is equal to the moment at that section.
3. when the diagram is decreasing, the moment diagram is concave upward.
4. Maximum moment occurs at the location of maximum shear for all beams.
CHOICES:
a.) 1&3
b.) 1,2,3
c.) 1&2
d.) 3&4