Question

A vehicle of mass 710 kg accelerates uniformly from rest to a velocity of 65 kmh -1 in 12 seconds whilst ascending a 15% gradient. The frictional resistance to motion is 0.5kN. Making use of D’ Alembert’s principle, determine:

i) The tractive effort between the wheels and the road surface.
ii) The work done in ascending the slope.
iii) The average power developed by the engine.

Answer 1

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