Question Bank • QB_SUB_FP_CHS_002 MCQ • 1 Mark

Section 3: Farm Power

Tractors and Power Tillers

Subtopic: Mechanics of tractor chassis

Question Statement:

During heavy drawbar pull operation of a rear-wheel drive tractor, dynamic weight transfer causes:

Options:

  • (A) Rear axle vertical load to increase and front axle vertical load to decrease
  • (B) Front axle vertical load to increase and rear to decrease
  • (C) Total tractor weight to vanish
  • (D) No change in wheel normal reactions

Answer Key:

A

Step-by-Step Solution & Explanation

Drawbar pull below axle height exerts a clockwise pitching moment that unloads the front wheels and increases normal reaction on the driving rear wheels, improving traction.
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