A box of mass 15K=kg rests on a horizontal surface . a.) What is the minimum horizontal force F that is required to cause the box to begin to slide if the co-efficient of static friction is 0.35? b.)What is the acceleration of the system if a person pushes the box with a force of 90 N if the co-efficient of kinetic friction os 0.20?
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i dont know i am not sorry for that
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