(Solved):
The \( 80-\mathrm{Ib} \) box is held in place on the smooth inclined surface by the rope \( A B \) ...
The \( 80-\mathrm{Ib} \) box is held in place on the smooth inclined surface by the rope \( A B \). Determine the tension in the rope (in units of Ib).
The 80-Ib box is held in place on the smooth inclined surface by the rope \( A B \). Determine the normal force exerted on the box by the inclined surface (in units of Ib).