During a test of an airplane wing, the strain gage readings from a 45 0 rosette (see figure) are as follows: gage A, 520 10 -6 ; gage B, 360 10 -6 ; and gage C, -80  10 -6 . Determine the principal...

During a test of an airplane wing, the strain gage readings from a 45⁰
rosette (see figure) are as follows: gage A, 520
10^-6; gage B, 360
10^-6; and gage C, -80
 10^-6.

Determine the principal strains and maximum shear strains, and show them on sketches of properly oriented elements.