Part A The resultant force of the three forces shown in (Figure 1) is FR = {9j} kN. Specify the magnitude F3. Express your to three significant figures and include the appropriate units. Figure x 03 13 5 Y3 B312 F-10 kN /30 F = 12 kN 1 of 1 F3= Value ? Units Submit Previous Answers Request Answer Incorrect; Try Again; 8 attempts remaining Part B Specify the direction a3. Express your answer in degrees to three significant figures.