4) The Mountain Train In a mountainous area, tourists can travel with a mountain train to a beautiful viewpoint. An elec

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4 The Mountain Train In A Mountainous Area Tourists Can Travel With A Mountain Train To A Beautiful Viewpoint An Elec 1 (128.48 KiB) Viewed 40 times

4) The Mountain Train In a mountainous area, tourists can travel with a mountain train to a beautiful viewpoint. An electric motor supplies the driving force Fm to the train. In figure 2, which is also on the answer sheet, the slope is drawn with the train on it, this drawing is to scale. This also indicates the center of gravity Z of the train. The gravity Fz on the train is indicated by an arrow. During the ride up, the speed of the train is constant. The mass of the train with passengers is 7136 kg. The total resistance forces Fw on the train are together 16.5 kN. A) Construct in the figure on the answer sheet the component Fz,// of Fz parallel to the slope and the component Fz, L of Fz perpendicular to the slope. B) In the figure on the answer sheet, construct the other forces acting on the train at this constant speed. - First check what the force scale of the drawing is. - Apply all forces in the center of gravity Z. - Write down all necessary calculations. The train then travels at a speed of 10.0 m/s against another slope, with a different angle of inclination. Given: on the slope holds: Fz,//= 30.0 KN, Fz, L=63.3 kN. The resistance forces on the train remain 16.5 kN. C) Calculate the driving force FM on the train during the ride up. Also state which Newton's law you used and why that law applies in this situation. When the train arrives at the station at 10.0 m/s, it can roll out to a standstill without additional braking. The slope is less steep here, here Fz,//=4.0 kN applies. The resistive forces are still 16.5 KN. D) Calculate how long it takes for the train to come to a stop.