Find the magnitude of frictional force acting on small box

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Reference no: EM13279591

A small box of mass 10 kg is placed on top of a large box with a mass 4 times that of the small box. The large box slides on a frictionless horizontal surface, however the surface between the two boxes is rough. If the small box DOES NOT slide when a horizontal force of 15 N is applied to the large box, what is the magnitude of the frictional force acting on the small box.

Reference no: EM13279591

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