Mining Engineering > GATE 2025 > Locomotive Haulage
A 2.5 tonne diesel locomotive hauls 5 mine cars upslope having a gradient of 1 in 20. The constant tractive force of the locomotive is 1800 kN. The gross weight of a car is 3 tonne. Acceleration due to gravity is 10.0 m/s2. If the acceleration of the system is 0.5 m/s2, the rolling resistance in kN/tonne is ______ (rounded off to 3 decimal places)
Correct : 0.005
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