Practice Problem #3
RESISTANCE PROBLEM
SCENARIO & FACTS
A tractor trailer weighing 74,500 lbs requires service:
- Front axle Rolling – Soft
- Drive axles Mired – Tire Depth
- Trailer axles Mired – Wheel Depth
- Casualty Static Weight – 74,500 lbs
- Steer axle – 11,500 lbs each
- Drive axles – 16,000 lbs each
- Trailer axles – 15,500 lbs each
What is the surface resistance to be overcome if a winching method is employed?
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