Q21
A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be
A.
20 kg/tonne
B.
30 kg/tonne
C.
40 kg/tonne
AnswerD.
50 kg/tonne
Answer: Option C
Solution
Answer: Option C
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