132_Physics ProblemsTechnical Physics

132_Physics ProblemsTechnical Physics - 134 P5.36 The Laws...

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134 The Laws of Motion P5.36 For equilibrium: fF = and nF g = . Also, fn = μ i.e., µ == f n F F g s 75 0 25 0 9 80 0306 . .. . N N af and k = () = 60 0 0245 . . N 25.0 9.80 N . FIG. P5.36 P5.37 Fm a nm g fnm g yy ss s =+ = ≤= :0 µµ This maximum magnitude of static friction acts so long as the tires roll without skidding. a fm a xxs =− = : The maximum acceleration is ag s = . The initial and final conditions are:
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