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SOLUTION
7–74.
Draw the shear and moment diagrams for the beam. The
supports at A and B are a thrust bearing and journal
bearing, respectively.
0.5 m 0.5 m
1 m
1200 N/m
A
300 N
600 N
B
7–75.
Draw the shear and moment diagrams for the beam.
SOLUTION
250 N/m
3m
SOLUTION
*7–76.
Draw the shear and moment diagrams for the beam.
2 m1 m1 m
15 kN
AB
10 kN/m
20 kN m
2 m
7–78.
Draw the shear and moment diagrams for the beam.
2m 1m 2m
8kN
AB
15 kN/m
20 kN m
3m
7–79.
SOLUTION
Draw the shear and moment diagrams for the shaft. The
support at Ais a journal bearing and at Bit is a thrust
bearing.
1ft4ft1ft
100 lb/ft
A300 lb ft
200lb
B
SOLUTION
*7–80.
Draw the shear and moment diagrams for the beam.
4 ft 2 ft 3 ft
400 lb/ft 900 lb ft
ABC
SOLUTION
7–81.
The beam consists of three segments pin connected at B
and E. Draw the shear and moment diagrams for the beam.
4.5 m 2 m 2 m 2 m 4 m
9 kN
/
m
A
B
CD
E
F
3
7–82.
Draw the shear and moment diagrams for the beam. The
supports at A and B are a thrust and journal bearing,
respectively.
AB
200 N/m
6 m
600 N m 300 N m
7–83.
Draw the shear and moment diagrams for the beam. 9 kN/m9 kN/m
A B
3 m 3 m
SOLUTION
6
*7–84.
Draw the shear and moment diagrams for the beam.
3 m 3 m
3 kN/m
6 kN/m
A
B
C
SOLUTION
7–85.
Draw the shear and moment diagrams for the beam.
6 ft
3 ft
3 ft
600 lb/ft
BA
SOLUTION
7–86.
Draw the shear and moment diagrams for the beam.
3 m
3 kN/
m
6 kN/m
A
SOLUTION
7–87.
Draw the shear and moment diagrams for the beam.
3 m 1.5 m
2 kN/m
4 kN/m
A
B
SOLUTION
*7–88.
Draw the shear and moment diagrams for the beam.
1.5 m
1.5 m
3 kN
6 kN/m
AB
707
SOLUTION
9
6 ft
400 lb/ft 400 lb/ft
1500 lb
6 ft 4 ft
A
B
7–89.
Draw the shear and moment diagrams for the beam.
7–89. Continued
SOLUTION
7–90.
Draw the shear and moment diagrams for the beam.
3 m
9 kN/m
6 kN m
B
A
7–91.
Draw the shear and moment diagrams for the beam. 12 kN/m
A
BC
6 m 3 m
6 kN
SOLUTION
