Hello guy's?

Question

guy's any one can help me to solved this?this is a physics so could u help me please..1) a question: a 60kg box is sliding across a horizontal floor of a elevator.The coefficient of kinetic friction between the box and the kinetic is 0.360 determine the kinetic friction force that acts on the box when the elevation is stationary. 2) a 60.0kg crate rests on a level floor at a shipping clock.The Ms(mass static) and Mk (mass kinetic) are 0.760 and 0.410 respectively.What horizontal pushing force is required to a) just start the crate moving? b) to slide the crate across the clock at a constant speed?

Answer 1

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