A barge is pulled by two tugboats. The barge is aligned horizontally while the rope of tugboat 1 is inclined with the horizontal 0-degrees upward, and rope of tugboat 2 is inclined with the horizontal 'a'-degrees downward. If the resultant of the forces exerted by the tugboats is a 4,997-lb force directed along the axis of the barge and 0=42 degrees, determine the magnitude of the tension (Ib) in rope 1 if a = 62° Answer in 2-decimal places only if applicable, and don't include units. C

9. A hook is subjected to three forces A, B, and Cas shown. Force A = 35 kN and force B = 45 kN. a) If the resultant of the forces is 80 kN and is acting along the positive x-axis, determine the angle a. b) If a = 60 degrees, what is the value of force C such that the resultant of forces A, B, and C acts along the x-axis? c) For the forces A, B, and C to be in equilibrium, what is the magnitude of the resulting force C? B