Question: A wheel tractor - scraper whose weight on the driving wheels is 3 8 , 7 2 0 l b ( 1 7 , 5

A wheel tractor-scraper whose weight on the driving wheels is 38,720lb(17,563kg) has a gross weight of 70,400lb(31,933kg). If the road surface is dry earth with a rolling resistance factor of 100lb? ton ), what is the maximum grade the scraper could ascend?
Must solve analytically and show your work.
A wheel tractor - scraper whose weight on the

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