Practice Problem

RESISTANCE PROBLEM

SCENARIO & FACTS

A car weighing 2,900 lbs requires service:

  • Front axle weighs 1.500 lbs
  • Rear axle weighs 1,400 lbs
  • Both front tires are flat
  • The rear axle has no damage and the tires are wheels will rotate freely.
  • The tie rod is bent
  • The front tires are not going to rotate when the unit moves.
  • The car is on a hard packed gravel surface.
  • The driver is at the scene.
  • The car is almost new.
  • The only mechanical damage is the front axle.
  • The conditions are; clear weather, 2 p.m., one police officer on the scene and the traffic is normal.

What is the surface resistance to be overcome if a winching method is employed?

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