Question: A wheel - type tractor - pulled scraper having a combined weight ( tractor and scraper ) of 1 7 2 , 0 0 0

A wheel-type tractor-pulled scraper having a combined weight (tractor and scraper) of 172,000 is push-loaded down a 6% slope by a crawler tractor whose weight is 106,000 lb. What is the equivalent gain in loading force for the tractor and scraper resulting from loading the scraper down slope instead of up slope?

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