The problem of collection of 17.3.12 (Reshebnik) Kep OE

The problem of collection of 17.3.12 (Reshebnik) Kep OE

17.3.12. When braking, the center of mass of the train with the car has an acceleration a = 5 m / s2. On the wagon coupling forces act on neighboring cars F1 = 10 kN, F2 = 30 kN. Determine the force in kN wheels Pressure And on the way. m = mass of the carriage 3 x 104 kg, dimensions h1 = 2,8 m, h2 = 1,6 m, l = 5 m. Wobble neglected.

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(DYNAMICS, Chapter 17 - The principle of D´Alembert, paragraph - 17.3: kientostatiki method for solid state and mechanical system) from Reshebnik to the collection of short tasks on the theoretical mechanics Kep OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
Task completed in word format (handwritten or typed solution in Word) or in manuscript form in gif / jpg format ..
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