14K Problem 7. ( 12 POINTS) 10 KA 4 IN THE FOLLOWING DIAGRAM, USE THE TRIGONOMETRY METHOD TO 3 DETERMINE THE SINGLE RESULTANT FORCE AND ITS 30 0 -X ANGLE TO THE "X" AXIS 9 k R = O = 18 K 24 32 K 26 K Problem 8. ( 12 POINTS) SOLVE FOR RA AND R B USING THE SUM OF MOMENTS METHOD 6 12' 32 K Problem 9. ( 12 POINTS) 2 Kips per Foot SOLVE FOR RA AND R B USING THE SUM OF MOMENTS METHOD A 4 10 4