(a) State Newtons three laws of motion. (b) A train of mass 800 tonnes is hauled...

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(a) State Newtons three laws of motion. (b) A train of mass 800 tonnes is hauled along a level track at constant speed 30 km/hr. The power developed at this speed is 600 kW. Find the tractive resistance. (5 marks) (c) The train ascends an incline of 1º. Assume the tractive resistance is the same as calculated in part (b) (i) Sketch this arrangement showing all the forces. (2 marks) (ii) Determine the power that must be developed if the speed is to be maintained at 30 km/hr. (7 marks) (iii) Determine the tractive effort required if the train accelerates at a rate of 0.2 m/s². (7 marks) (a) State Newtons three laws of motion. (b) A train of mass 800 tonnes is hauled along a level track at constant speed 30 km/hr. The power developed at this speed is 600 kW. Find the tractive resistance. (5 marks) (c) The train ascends an incline of 1º. Assume the tractive resistance is the same as calculated in part (b) (i) Sketch this arrangement showing all the forces. (2 marks) (ii) Determine the power that must be developed if the speed is to be maintained at 30 km/hr. (7 marks) (iii) Determine the tractive effort required if the train accelerates at a rate of 0.2 m/s². (7 marks) (a) State Newtons three laws of motion. (b) A train of mass 800 tonnes is hauled along a level track at constant speed 30 km/hr. The power developed at this speed is 600 kW. Find the tractive resistance. (5 marks) (c) The train ascends an incline of 1º. Assume the tractive resistance is the same as calculated in part (b) (i) Sketch this arrangement showing all the forces. (2 marks) (ii) Determine the power that must be developed if the speed is to be maintained at 30 km/hr. (7 marks) (iii) Determine the tractive effort required if the train accelerates at a rate of 0.2 m/s². (7 marks) (a) State Newtons three laws of motion. (b) A train of mass 800 tonnes is hauled along a level track at constant speed 30 km/hr. The power developed at this speed is 600 kW. Find the tractive resistance. (5 marks) (c) The train ascends an incline of 1º. Assume the tractive resistance is the same as calculated in part (b) (i) Sketch this arrangement showing all the forces. (2 marks) (ii) Determine the power that must be developed if the speed is to be maintained at 30 km/hr. (7 marks) (iii) Determine the tractive effort required if the train accelerates at a rate of 0.2 m/s². (7 marks)

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here are Newtons three laws of motion 1 Law of Inertia An object will remain at rest or in uniform motion unless acted upon by an external force 2 Law of Acceleration The acceleration of an object is ... View the full answer