Question

The box undergoes distortion after loading. Determine the normal strain in sides AD, DB, BC, and AC and determine the change in diagonals AB and CD. Line DB remains horizontal. Angle D'AC is 92° 3 m m 41 m Smm S nm

the angle is 92 degrees

Answer 1

D . LAB = CD=V502 +502 . 707107 mm 59 m SOM) pin's V589+582-2053458* cos 998 DE S'D': 568mm 79.9.22mm Summ ஆறடி B'D' = 50 + 58 Sin 2 - 3 - 48.849 mm Noen Stecio- © EAB = AB'=AB O- - AB AB' = 532 +48.8492-(2x53x48.849)xcos 88°) AB'- 70.813mm eqnoz Cag= 10.813– 90- 7107 10.1107 -EAR - 1.446x1013 Eco=C'D'-CD = 79.922- 70.1107 CD 10.7107 Eco = 131.257 x 1013