A warehouse worker must push a hand cart loaded with cases of textbooks. The total weight of
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Question:
A warehouse worker must push a hand cart loaded with cases of textbooks. The total weight of the cart and textbooks is 480 lbs. If the worker weighs 180 lbs. and a horizontal force of 80 lbs must be exerted to initially set the cart in motion.
- (2 points) What is the minimum required coefficient of friction between his shoes and the floor? You may assume that the cart is equipped with frictionless wheels.
- (2 points) Assume that the same job is performed by a 130 lb. female. Would the required COF increase, decrease, or stay the same?
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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