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(Solved): Q1: , The two boxcars A and B have a weight of 9000kg and 13500 kg, respectively. If they are freel ...
Q1:
,The two boxcars A and B have a weight of
9000kgand 13500
kg, 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
Cbetween the two cars. The coefficient of kinetic friction between the wheels of A and the tracks is
\mu _(k)=0.3The wheels of car B are free to roll. Neglect their mass in the calculation.
