The extruded plastic shape will be subjected to an internal shear force of V=385 lb. Dimensions of the cross section are b- 1.2 in., d- 2.4 in., c-1.6 in., and t-0.13 in. Determine: (a) the magnitude of the horizontal shear stress at points A and B. (b) the magnitude of the horizontal shear stress at point C, which is located at a distance of yc- 0.8 in. below the z centroidal axis. (c) the magnitude of the maximum horizontal shear stress in the extrusion.
The extruded plastic shape will be subjected to an internal shear force of V=385 lb. Dimensions of the cross section are b- 1.2 in., d- 2.4 in., c-1.6 in., and t-0.13 in. Determine: (a) the magnitude of the horizontal shear stress at points A and B. (b) the magnitude of the horizontal shear stress at point C, which is located at a distance of yc- 0.8 in. below the z centroidal axis. (c) the magnitude of the maximum horizontal shear stress in the extrusion.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The extruded plastic shape will be subjected to an internal shear force of V=385 lb. Dimensions of the cross section are b- 1.2 in., d=
2.4 in., c 1.6 in., and t = 0.13 in. Determine:
(a) the magnitude of the horizontal shear stress at points A and B.
(b) the magnitude of the horizontal shear stress at point C, which is located at a distance of yc=0.8 in. below the z centroidal axis.
(c) the magnitude of the maximum horizontal shear stress in the extrusion.
(typ.)
B
Yc
Answer:
(a) TA
psi
TB
psi
(b) Tc =
psi
(c) Tmax
psi
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