Question

Problem 13.2 The two boxcars A and B have a weight of 17 000 lb and 37 000 lb, respectively. They are freely coasting down the incline when the brakes are applied to all the wheels of car A. The coefficient of kinetic friction between the wheels of A and the racks is 0.6. The wheels of car B are free to roll. Neglect Part A Determine the magnitude of the force in the coupling C betwoen the two cars Express your answer to three significant figures and include the appropriate units. representing single resultant normal torces acting on A and B respectively. (Figure 1) 田园 T- Value ? Units Submit Request Answer Provide Feedback Figure

Answer 1

37000 lb WA 1S 32. 2