The answer for ;4) 38.6 N , 56.4 N5) ii) o.65kg

4. 500 600 A B W Figure above shows an object of weight W suspended by two light cord. The tension in cord A is 30N. Calculate the tension in cord B and the value of W. 5. pulley B A 30 Block A of mass 2.0 kg and B are connected by a massless cable across a frictionless pulley are in static equilibrium as shown in Figure 1. The coefficient of static friction between block A and the inclined plane is 0.20. i) Sketch a free body diagram for A and B. ii) Calculate the mass of B if A is about to slide down the plane