2-15. Two bars are used to support a load P. When

unloaded, AB is 5 in. long, AC is 8 in. long, and the ring at A

has coordinates (0,0). If a load is applied to the ring at A, so

that it moves it to the coordinate position (0.25 in.,

-0.73 in.), determine the normal strain in each bar.

5 in.

8 in.