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September 22, 2014

Homework Help: physics

Posted by ashley on Friday, October 8, 2010 at 7:34pm.

you find it takes 200N of horizontal force to move an empty pickup truck along a level road at a speed of 2.4m/s. you then load the pickup truck and pump its tires so that its total weight increases by 42% while the coefficient of rolling friction decreases by 19%. now what horizontal force will you need to move the pickup along the same road at the same speed? the speed is low enough that you can ignore air resistance.

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