$6-22.$ Determine the force in each member of the truss, and state if the members are in tension or compression.

Answer key: $778$ N $($C$),550$ N $($T$),70\mathrm{.}7$ N $($C$),500$ N $($C$),636$ N $($C$),70\mathrm{.}7N(T),450N(T)$