please draw diagrams
4. Using the method of sections,determine the force in members CD,KD and KJ of the truss shown below,indicating whether the members are in tension or compression.Each bay is 2 m long and 3 m.high.There is a pin on the left and a roller on the right.You must start by determining the reactions,as usual.Please show all your work.
K
3m
G
B
E
2m--2m-2m-2m-2m--2m-
20 kN30kN40 kN
2