Question Bank • QB_FP_165 NAT • 2 Marks

Section 3: Farm Power

Farm Power

Subtopic: Thermodynamic principles of I.C. engines

Question Statement:

A 4-wheel tractor weighing $28\text{ kN}$ travels over soft tilled soil with a coefficient of rolling resistance $C_{rr} = 0.12$. Calculate the total rolling (motion) resistance force experienced by the tractor in $\text{kN}$ (round off to 2 decimal places).

Answer Key:

3.36

Step-by-Step Solution & Explanation

Total rolling resistance force: $R_r = C_{rr} \times W = 0.12 \times 28\text{ kN} = 3.36\text{ kN}$
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