A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated

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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 resistance 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

Options:

A . Reduce by 200 kg

B . Increase by 200 kg

C . Increase by 250 kg

D . Reduce by 250 kg

Answer: Option A

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