Wednesday
April 23, 2014

Homework Help: physics

Posted by Jessi on Sunday, September 13, 2009 at 3:42pm.

Each of the four wheels of the vehicle weighs 40 lb and is mounted on a 4in diameter journal. The total weight of the vehicle is 960 lb, including wheels, and is distributed equally on all four wheels. If a force P = 16 lb is required to keep the vehicle rolling at a constant low speed on a horizontal surface, calculate the coefficient of friction which exists in the wheel bearings.


The answer I calcualted was 10 and I know that can't be correct because the coefficients of friction are always less than 1

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