The extruded plastic shape has dimensions of D = 33 mm, d = 27 mm, a = 94 mm, and t= 4 mm. (a) Determine the magnitude of the horizontal shear stress at point A for a shear force of V = 345 N. (b) If the allowable shear stress for the plastic material is 2000 kPa, what is the magnitude of the maximum shear force V that can be applied to the extrusion?

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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.