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A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistence of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will | |
A. | reduce by 200 kg [Correct Answer] |
B. | increase by 200 kg [Wrong Answer] |
C. | increase by 250 kg [Wrong Answer] |
D. | reduce by 250 kg [Wrong Answer] |