12.12 lbFig. P12.1012.11 The coefficients of friction between the load and the flatbed trailershown are us=0.40 and k= 0.30. Knowing that the speed of therig is 72 km/h, determine the shortest distance in which the rig canbe brought to a stop the load is not to shift.12.12 A light train made up of two cars is traveling at 90 km/h when thebrakes are applied to both cars. Knowing that car A has a mass of25 Mg and car B a mass of 20 Mg, and that the braking force is30 kN on each car, determine (a) the distance traveled by the trainbefore it comes to a stop, (b) the force in the coupling between thecars while the train is slowing down.MaybelonTest!90 km/h20025 MgB20 MgFig. P12.1212.13 The two blocks shown are originally at rest. Neglecting the massesof the pulleys and the effect of friction in the pulleys and betweenblock A and the incline, determine (a) the acceleration of each block,(b) the tension in the cable.12.14 Solve Prob. 12.13, assuming that the coefficients of friction betweenblock A and the incline are μ = 925 and

Name: 12.12 lbFig. P12.1012.11 The coefficients of friction between the load
Uploaded: 2024-03-20T06:57:37.000Z
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Description: 12.12 lbFig. P12.1012.11 The coefficients of friction between the load and the flatbed trailershown are us=0.40 and k= 0.30. Knowing that the speed of therig is 72 km/h, determine the shortest distance in which the rig canbe brought to a stop the loa