In Fig. 6-12, if the box is stationary and the angle IJ
Chapter , Problem 1(choose chapter or problem)
In Fig. 6-12, if the box is stationary and the angle IJ between the horizontal and force F is increased somewhat, do the following quantities increase, decrease, or remain the same: (a) Fr; (b)fs; (c) FN; (d)Is.max? (e) If, instead, the box is sliding and IJ is increased, does the magnitude of the frictional force on the box increase, decrease, or remain the same?
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