Monday, December 15, 2008 6:24:52 PM
Deeplick: "I never found a guy pulling a vehicle to be an amazing feat, just because of the fact that the object they are pulling has wheels which makes said feat less of a feat. I would like to see him drag that truck with no wheels, then I would be amazed."
The wheels are necessary for the system to work. If there were no wheels, then he would be pulling the truck, in addition to the friction that is generated, and the normal force on the bottom of the truck. The wheels eliminate most of the friction and normal force, leaving just the truck's wight.
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