A thin triangular plate PQR forms a right angle at point Q. During deformation, point Q moves to the left by u = 2.9 mm and upward by v = 3.2 mm to new position Q. Determine the shear strain y at corner Q after deformation. Use c = 615 mm, a = 27°, and ß = 63°. A thin triangular plate POR forms a right angle at point Q. During deformation, point Q moves to the left by u - 2.9 mm and upward by v- 32 mm to new position Q. Determine the shear strain y at corner Q after deformation. Use c= 615 mm, a= 27, and B- 63:

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Solid Mechanics

Engineering mechanics is a branch of science that deals with forces causing bulk motion in bodies and the effect that these forces cause on the bodies. Engineering mechanics does not deal with the internal changes that occur on account of these external forces. The internal effects in a body or a material under the action of external forces are studied in a new branch of science called solid mechanics, the strength of materials, or the mechanical behavior of engineering materials.