)) S KN a) Determine whether the structure is statically determinate. b) Calculate the support reactions. c) Calculate all member forces and write the amount in a tabular like the shown one. F = 10 KN F= 20 KN a = 1m S1 S S3 S4 S5 S6 S7 S8 S9 S1o | S11 | S12 | S13 | S14 | S15 VII 30 14 13. 12 4a VI 10 11 45 B 2a F A III 36 IV 2a