For numbers 38-43, refer to the vector diagram at the right. 38. Which of the following represents the horizontal component of the force F F = 90N in the vector diagram at the right? 570 A. Ex =F cos 570 B. F. =F sin 570 C. - = cos 570 Fx D. Fy - = cos 570 39. Which of the following represents the vertical component of the force F in the vector diagram? A. F= =F cos 570 B. E. = F sin 570 C. - = cos 570 Fx D. Fy F = cos 570 40-41. Which of the following represents the value of F.? A. 47N B. 48 N C. 49 N D. 50 N 42-43. Which of the following represents the value of Ex? A. 78 N B. 77 N C. 76 N D. 75 N