A 300-lb box is held at rest on a smooth plane by a force $P$ inclined at an angle $\theta$ with the plane as shown.
If $\theta$ = 45°, determine the value of $P$ and the normal pressure $N$ exerted by the plane.
HW310
A 300-lb box is held at rest on a smooth plane by a force $P$ inclined at an angle $\theta$ with the plane as shown.
If $\theta$ = 45°, determine the value of $P$ and the normal pressure $N$ exerted by the plane.