Problem
A four-wheel tractor whose operating weight is 48,000 lb is pulled up a road whose slope is +4% at a uniform speed. If the average tension in the towing cable is 4,680 lb, what is the rolling resistance of the road? (115 lb/ton)
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.