If the coefficient of friction between a 40.0 kg crate and the floor is 0.680, (a) what horizontal force must a worker exert to just start the motion of the crate? (b) If the worker maintains that force once the crater starts to move and the coefficient of kinetic friction between the surfaces is 0.500, what would happen to the crate?

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
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If the coefficient of friction between a 40.0 kg crate and the floor is 0.680, (a) what horizontal force must a worker exert to just start the motion of the crate? (b) If the worker maintains that force once the crater starts to move and the coefficient of kinetic friction between the surfaces is 0.500, what would happen to the crate?

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