The pin-jointed 2 -D truss is loaded with a horizontal force of $15 k N$ at joint $\mathrm{S}$ and another $15 \mathrm{kN}$ vertical force at joint $U,$ as shown.Find the force in member $R S$ (in $k N)$ and report your answer taking tension as positive and compression as negative.
The pin-jointed 2 -D truss is loaded with a horizontal force of $15 k N$ at joint $\mathrm{S}$ and another $15 \mathrm{kN}$ vertical force at joint $U,$ as shown.Find the force in member $R S$ (in $k N)$ and report your answer taking tension as positive and compression as negative.