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.) d. YC V.

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.) d. YC V.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

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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.
(tуp.)
A
B
d.
V
Answer:
(a) TA= i
627.62
psi
TB=
858.5
psi
(b) Tc=
646.266
psi
(c) Tmax
921.45
psi

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