13-2. The two boxcars A and B have a weight of 20 000 lb and 30 000 lb, respectively. If they are freely coasting down the incline when the brakes are applied to all the wheels of car A, determine the force in the coupling C between the two cars. The coefficient of kinetic friction between the 0.5. The wheels of car B wheels of A and the tracks is uk are free to roll. Neglect their mass in the calculation. Suggestion: Solve the problem by representing single resultant normal forces acting on A and B, respectively. A 5° Prob. 13-2

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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13-2. The two boxcars A and B have a weight of 20 000 lb
and 30 000 lb, respectively. If they are freely coasting down
the incline when the brakes are applied to all the wheels of
car A, determine the force in the coupling C between the
two cars. The coefficient of kinetic friction between the
0.5. The wheels of car B
wheels of A and the tracks is uk
are free to roll. Neglect their mass in the calculation.
Suggestion: Solve the problem by representing single
resultant normal forces acting on A and B, respectively.
A
5°
Prob. 13-2
Transcribed Image Text:13-2. The two boxcars A and B have a weight of 20 000 lb and 30 000 lb, respectively. If they are freely coasting down the incline when the brakes are applied to all the wheels of car A, determine the force in the coupling C between the two cars. The coefficient of kinetic friction between the 0.5. The wheels of car B wheels of A and the tracks is uk are free to roll. Neglect their mass in the calculation. Suggestion: Solve the problem by representing single resultant normal forces acting on A and B, respectively. A 5° Prob. 13-2
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