Method of Section

Q. For the truss loaded as shown in figure, force in the member AC is

1. $\sqrt{2}$ kN compression
2. $\frac{\sqrt{3}}{2}$ kN compression
3. $\frac{\sqrt{3}}{2}$ kN tension
4. $\sqrt{2}$ kN tension

Q. For the truss shown in the figure, the forces $F_1$ and $F_2$ are 9 kN and 3 kN, respectively. The force (in kN) in the member QS is (All dimensions are in m)

1. 11.25 tension

2. 11.25 compression

3. 13.5 tension

4. 13.5 compression

Q. The force in member BC of the truss shown in figure below is

1. $500N\text{(tensile)}$
2. $800N\text{(compressive)}$
   
3. $800N\text{(tensile)}$
4. $500N\text{(compressive)}$

Q. A plane cantilever truss is loaded as shown in the figure. If a positive sign denotes tension and a negative sign compression, the axial force in the member 1 is

1. $-5.33P$
2. $-1.67P$
3. $+2P$
4. $+3P$

Q. For the truss shown in the figure, the magnitude of the force (in kN) in the member SR is

1. 10
2. 14.14
3. 20
4. 28.28

Q. A simple plane truss is shown in figure. Two $1000N$ loads are acting on pins $C$ and $E$ as shown. The force in member $CD$ is

1. $1000N$
2. zero
3. $1000\sqrt{2}N$
4. $-1000/\sqrt{2}$