Allied & ICAR Exam Bank • ALLIED_0288 NAT • 2 Marks

Section 3: Farm Power

Farm Power

Subtopic: Mechanics of tractor chassis

Question Statement:

A tractor weighs $20\text{ kN}$ with wheelbase $1.8\text{ m}$. Center of gravity is located $1.2\text{ m}$ ahead of the rear axle. The static weight resting on the front axle in kN is (rounded off to two decimal places):

Answer Key:

13.33

Step-by-Step Solution & Explanation

Taking moments about rear axle: $W_f \times b = W \times x_r \implies W_f \times 1.8 = 20 \times 1.2 \implies W_f = 24 / 1.8 = 13.33\text{ kN}$.
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