Due to symmetry, VA
= VB = 10/2
VA = VB = 5 k
For
H = 0;
HA = 0
Shear forces:
Sign Convention
Upward
Positive
Downward
Negative
At Support 'A'
VA = 5 k
At middle of beam (At 'C')
VC = VA
VC = 5 k (Just left)
VC = 5 - 10
VC = -5 k (Just right)
VB = -5+5 = 0
Bending Moments:
Sign Convention;
Clockwise
Positive
Anticlockwise
Negative
MA = MB = 0
MC = VB x 11
MC = 5 x 11
MC = 55 k-ft
SFD & BMD:

For the Beam shown, find the reactions 1o diagrams indicating all critical values. (1-5 points) 16. plete shear force and bending moment 2 k 2k 2k 3K 3 k lo Lo Lo (o
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