5-1. The cable segments support the loading shown. Determine the distance yc from the force at C to point D. Set P = 4 k. 3 ft 1 2 ft B 6 k 8 ft с 5 ft ус !

7-115. The 80-m-long chain is fixed at its ends and hoisted at its midpoint B using a crane. If the chain has a weight of 0.5 kN/m, determine the minimum height h of the hook in order to lift the chain completely off the ground. What is the horizontal force at pin A or C when the chain is in this position? Hint: When h is a minimum, the slope at A and C is zero. B Asseccons 60 m Prob. 7-115

The hinge at A and cable BDC support beam ABC. Cable BDC passes over the pulley D that is pinned to the ceiling. (Assume that the +x-axis is to the right and the +y-axis is up along the page. Due to the nature of this problem, do not use rounded intermediate values in your calculations or answers.) Determine the tension in the cable in newtons - ? Determine magnitude and direction - magnitude in newtons Ax- ? Ay- ?