Two Forces $F _ { 1 }$ And $F _ { 2 }$

Short Answer

Two forces $F _ { 1 }$ and $F _ { 2 }$ with magnitudes $8 \mathrm { lb }$ and $12 \mathrm { lb }$ act on an object at a point $P$ as shown in the figure. Find the magnitude of the resultant force $F$ acting at $P$ . Round the result to the nearest tenth.