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siludavid
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Homework Statement
a locomotive of mass 20 tonnes hauls a train of mass 200 tonnes up an incline of 1 in 200. the resistive force for the locomotive and the train is 40 Newtons per tonne. the train accelerates from rest to 60km/h in 2km.determine;
a) the tractive force of the locomotive
b) the drawbar pull between the locomotive and the train
Homework Equations
F=R+mgsinθ+ma from the Newton's second law of motion
The Attempt at a Solution
part a
mass=20000kg
sinθ=0.005
R=800
s=2000m
u=0
v=16.67m/s2
a=0.069m/s2
by substituting the equation above F will be 3161N or 3.161KN
now in the second part is where am getting difficulty in solving how can it be approached please
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