4.4 For the beam and loading shown, determine (a) the reaction at A, (b) the tension in cable BC. Answer 15 lb 20 lb 35 lb 20 lb A 15 lb ← 6 in.→ 8 in. —— 8 in.6 in. B

Problem 2 For the system of forces shown to the right, complete the following: a) Represent force F1 in Cartesian notation b) Represent force F1 in scalar notation (use cylindrical coordinate directions and y) c) Represent force F2 in Cartesian notation d) Determine the magnitude of the resultant of the forces D 120% 60° This line is parallel to the x-axis F₂ = 400 N 45° This area is in the x-y plane y 35° F₁ = 25° = 250 N This line is parallel to the z-axis