CIVIL ENGINEERING HELP: Finding reaction forces in x and y directions and forces in truss members?

For the truss shown below, calculate the reaction forces at A and B, then use the method of joints to calculate the internal forces in each of the members. a = 2.0 m, b = 2.5 m and c = 3.5 m. P1 = 13 kN, P2 = 7 kN and P3 = 14 kN. Reaction force at A in y direction (kN, positive up) = ? Reaction force at B in y... show more For the truss shown below, calculate the reaction forces at A and B, then use the method of joints to calculate the internal forces in each of the members. a = 2.0 m, b = 2.5 m and c = 3.5 m. P1 = 13 kN, P2 = 7 kN and P3 = 14 kN.

Reaction force at A in y direction (kN, positive up) = ?
Reaction force at B in y direction (kN, positive up) = ?
Reaction force at B in x direction (kN, positive right) = ?
Forces in members (kN, tension positive) = ?
1 = ?
2 = ?
3 = ?
4 = ?
5 = ?
6 = ?
7 = ?
8 = ?
9 = ?
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